<**** width="100%" class="ke-zeroborder"><****><****><****> 一、黄色环氧板简介 环氧树脂是泛指分子中含有两个或两个以上环氧基团的****高分子化合物,除个别外,它们的相对分子质量都不高。环氧树脂的分子结构是以分子链中含有活泼的环氧基团为其特征,环氧基团可以位于分子链的末端、中间或成环状结构。由于分子结构中含有活泼的环氧基团,使它们可与多种类型的固化剂发生交联反应而形成不溶、不熔的具有三向网状结构的高聚物。 黄色环氧板是由玻璃纤维布用环氧树脂粘合而成加温加压制作,型号为3240,在中温下机械性能高,在高温下电气性能稳定。适用于机械、电器及电子用高绝缘结构零部件,具有高的机械和介电性能较好的耐热性和耐潮性。耐热等级F级(155度)。
1、规格厚度:0.5~100mm 2、常规规格:1000mm*2000mm 3、颜色:黄色 4、产地:国产 5、在高温180℃的情况下受热变形,一般不与其他金属在一块受热,可能引起金属板材变形。
二、黄色环氧板应用特性 1、 形式多样。各种树脂、固化剂、改性剂体系几乎可以适应各种应用对形式提出的要求,其范围可以从极低的粘度到高熔点固体。 2、 固化方便。选用各种不同的固化剂,环氧树脂体系几乎可以在0~180℃温度范围内固化。 3、 粘附力强。环氧树脂分子链中固有的极性羟基和醚键的存在,使其对各种物质具有很高的粘附力。环氧树脂固化时的收缩性低,产生的内应力小,这也有助于提高粘附强度。 4、 收缩性低。环氧树脂和所用的固化剂的反应是通过直接加成反应或树脂分子中环氧基的开环聚合反应来进行的,没有水或其它挥发性副产物放出。它们和不饱和聚酯树脂、酚醛树脂相比,在固化过程中显示出很低的收缩性(小于2%)。 5、 力学性能。固化后的环氧树脂体系具有优良的力学性能。
三、黄色环氧板技术参数
1、外观 表面应平滑,无气泡、皱纹和裂纹。 2、标称厚度及允许偏差见表1。 表1 mm <**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"><****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;" colspan="2">标称厚度****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">偏差****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">标准厚度****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">偏差****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">0.4****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.10****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">8.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.72****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">0.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.12****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">10.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.82****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">0.6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.13****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">12.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.94****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">0.8****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.16****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">14.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.02****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">1.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.18****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">16.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.12****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">1.2****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.20****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">20.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.30****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">1.6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.24****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">25.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.50****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">2.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.28****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">30.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.70****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">2.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.33****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">35.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.95****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">3.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.37****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">40.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.10****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">4.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.45****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">45.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.30****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">5.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.52****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">50.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.45****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">6.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.60****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">60.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.50****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">80.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.80****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:407.3pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="4">注: 1 其他允许偏差可由供需双方协商。 2 对于标称厚度不在所列的优选厚度之一者,其允许偏差应采用下一个较大的优选厚度的偏差。****>****>****>****> 3、平直度见表2。表2 层压板表面距直尺的大允许偏差mm <**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"><****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:124.5pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;" rowspan="2">厚度 (d)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:277.5pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;" colspan="2">直尺长度****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:5cm;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1000****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:135pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">500****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:124.5pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">1.6≤d≤3 3<> 6<> 8< d****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:5cm;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">见注 10 8 6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:135pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">见注 2.5 2.0 1.5****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:401.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="3">>注:对标称厚度在1.6 mm≤d≤3 mm的允许偏差正在考虑之中****>****>****>****> 4、性能要求见表4。表4性能要求 <**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"><****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;" colspan="2">序 号****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">指 标 名 称****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">单 位****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">指 标 值****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">说明****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">1****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">垂直层向弯曲强度****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MPa****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥340****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">2****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">平行层向冲击强度 (简支梁法)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">KJ/****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥33****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" rowspan="2">两者之一满足本标准要求即可****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">3****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">平行层向冲击强度 (悬臂梁法)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">kJ/****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥34****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">4****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">垂直层向电气强度 (90℃±2℃油中)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MV/m****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">见表5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">平行层向击穿电压 (90℃±2℃油中)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">kV****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥35****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">6a****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">介电常数 (48Hz-62Hz以下)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤5.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" rowspan="2">两者之一满足本标准要求即可****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">6b****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">介电常数 (1MHz以下)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤5.5****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">7****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">马丁温度纵向****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">℃****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥200****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">8****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">热稳定性****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">℃****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">200****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">9****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">耐油性变压器油中4h****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">℃****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">130****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">10****><**** ****="width:149.7pt;background-color:****ansparent;">拉伸强度纵向 横向****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MPa****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥314 ≥216****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">11****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">粘合强度****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">N****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥5600****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">12****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">表面电阻率常态时 浸水后****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MΩ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥1× ≥1×****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">13****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">体积电阻率常态时 浸水后****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MΩ·m****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥1× ≥1×****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">14****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">平行层向绝缘电阻常态时 浸水后****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MΩ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥1× ≥1×****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">15a****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">介质损耗因数 (48Hz-62Hz以下)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤0.04****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" rowspan="2">两者之一满足本标准要求即可****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">15b****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">介质损耗因数 (1MHz以下)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤0.04****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">16****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">浸水后绝缘电阻****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">Ω****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥5.0×****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">17****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">密度****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">g/****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">(1.7-1.9)****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> ****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">18****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">吸水性****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">mg****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">见表6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-****>****>****>****> 表5垂直层向电气强度 <**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"><****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">平均厚度 mm****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">电气强度 MV/m****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">厚度 mm****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">电气强度 MV/m****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.4****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥16.9****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥12.7****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥16.1****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.8****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥12.2****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥15.6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥11.8****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.7****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥15.2****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.2****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥11.4****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.8****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥14.8****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.4****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥11.1****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.9****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥14.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥10.9****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥14.2****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥10.8****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.2****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥13.7****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.8****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥10.5****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.4****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥13.2****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">3.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥10.2****>****>****>****> 注:1 对90℃±2℃油中垂直层向电气强度,可任选20s逐级升压和1min耐压试验要求中的一种。对符合二者之一要求的材料,应视其90℃±2℃油中垂直层向电气强度是符合本标准要求的。 2 如果测得的试样厚度算术平均值是介于表中两厚度之间,则其指标值应从内插法求取。如果测得的厚度算术平均值小于0.4mm,则其电气强度指标值取≥16.9MV/m。如果标称厚度为3mm,并且测得的厚度算术平均值大于3mm时,则其电气强度的指标值取≥10.2MV/m表6吸水性 <**** ****="margin:auto auto auto 1.15pt;width:656px;" cellspacing="0" cellpadding="0" border="1"><****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">试样厚度平均值 mm****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">吸水性 mg****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">试样厚度平均值 mm****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">吸水性 mg****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">0.4****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤17****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤25****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">0.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤17****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤27****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">0.6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤17****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">8****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤31****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">0.8****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤18****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">10****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤34****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">1.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤18****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">12****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤38****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">1.2****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤18****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">14****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤41****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">1.6****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤19****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">16****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤46****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">2.0****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤20****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">20****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤52****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">2.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤21****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">25****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤61****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">3****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤22****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">单面加工至22.5****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤73****>****><****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">4****><**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤23****><**** ****="width:73.9pt;background-color:****ansparent;"> ****>****>****>****>注:1如果测得的试样厚度算术平均值是介于表中两厚度之间,则其指标值应从内插法求得。2如果测得的厚度算术平均值小于0.4mm,则其指标值取≤17mg。如果标称厚度为25mm并测得的厚度算术平均值大于25mm时,则其指标值取≤61mg。标称厚度大于25mm的板材,则应从单面加工至22.5mm且加工面应是比较光滑的。 3240环氧板是由电工用无碱玻璃纤维布浸以环氧酚醛树脂,经烘焙、热压而成。 3240环氧板具有较高的机械和介电性能,较好的耐热性和耐潮性,并有良好的机械加工性,耐热等级为B级。 3240环氧板适用于电机、电器设备中作为绝缘结构零部件,并可在潮温环境和变压器油中使用。 324环氧板以较高的机械性能和电气性能,广泛应用在发电机、马达、电子器具上作为绝缘材料和构件。在变压器油压环境和湿度环境中也非常适用。
7、环氧树脂和所用的固化剂的反应是通过直接加成反应或树脂分子中环氧基的开环聚合反应来进行的,没有水或其它挥发性副产物放出。它们和不饱和聚酯树脂、酚醛树脂相比,在固化过程中显示出很低的收缩性(小于2%)。 ****>****>****>****> |