一、环氧层压玻璃布板产品介绍是用浸渍纸、棉布、玻璃布、浸渍酚醛、环氧树脂,经烘焙热压而成的硬质板状绝缘材料。环氧酚醛树脂绝缘板具有较高的机械强度、介电性能、耐油性和耐腐蚀性,环氧酚醛树脂绝缘板适用于要求较高的电工机械、电器设备中作绝缘结构件,并可在潮湿环境和变压器中使用,耐热等级为B级。
二、环氧层压玻璃布板技术要求 1.外观、表面应平整光滑,不允许有杂质和其他明显的缺陷,允许有轻微的擦伤,边缘应切割整齐,端面不得有分层和裂纹。 2.尺寸:面积不得小于380×480平方毫米,如需特殊规格,可同供需双方协议生产。其它数据详见机电部标准。标准规格1200*2400 1000*2000 特殊规格可根客户所需按图纸进行加工。 3.产品可根用户要求,加工成各种规格板、管、垫、法兰、瓦、等异形件。
、环氧层压玻璃布板技术参数
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"><****><****><**** ****="width:90.1pt;background-color:#cccccc;" colspan="2">标称厚度****><**** ****="width:108.4pt;background-color:#cccccc;">偏差****><**** ****="width:108.4pt;background-color:#cccccc;">标准厚度****><**** ****="width:101.55pt;background-color:#cccccc;">偏差****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">0.4****><**** ****="width:108.4pt;background-color:****ansparent;">±0.10****><**** ****="width:108.4pt;background-color:****ansparent;">8.0****><**** ****="width:101.55pt;background-color:****ansparent;">±0.72****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">0.5****><**** ****="width:108.4pt;background-color:****ansparent;">±0.12****><**** ****="width:108.4pt;background-color:****ansparent;">10.0****><**** ****="width:101.55pt;background-color:****ansparent;">±0.82****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">0.6****><**** ****="width:108.4pt;background-color:****ansparent;">±0.13****><**** ****="width:108.4pt;background-color:****ansparent;">12.0****><**** ****="width:101.55pt;background-color:****ansparent;">±0.94****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">0.8****><**** ****="width:108.4pt;background-color:****ansparent;">±0.16****><**** ****="width:108.4pt;background-color:****ansparent;">14.0****><**** ****="width:101.55pt;background-color:****ansparent;">±1.02****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">1.0****><**** ****="width:108.4pt;background-color:****ansparent;">±0.18****><**** ****="width:108.4pt;background-color:****ansparent;">16.0****><**** ****="width:101.55pt;background-color:****ansparent;">±1.12****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">1.2****><**** ****="width:108.4pt;background-color:****ansparent;">±0.20****><**** ****="width:108.4pt;background-color:****ansparent;">20.0****><**** ****="width:101.55pt;background-color:****ansparent;">±1.30****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">1.6****><**** ****="width:108.4pt;background-color:****ansparent;">±0.24****><**** ****="width:108.4pt;background-color:****ansparent;">25.0****><**** ****="width:101.55pt;background-color:****ansparent;">±1.50****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">2.0****><**** ****="width:108.4pt;background-color:****ansparent;">±0.28****><**** ****="width:108.4pt;background-color:****ansparent;">30.0****><**** ****="width:101.55pt;background-color:****ansparent;">±1.70****>****><****><**** ****="width:90.1pt;background-color:****ansparent;" colspan="2">2.5****><**** ****="width:108.4pt;background-color:****ansparent;">±0.33****><**** ****="width:108.4pt;background-color:****ansparent;">35.0****><**** ****="width:101.55pt;background-color:****ansparent;">±1.95****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:88.95pt;background-color:****ansparent;">3.0****><**** ****="width:108.4pt;background-color:****ansparent;">±0.37****><**** ****="width:108.4pt;background-color:****ansparent;">40.0****><**** ****="width:101.55pt;background-color:****ansparent;">±2.10****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:88.95pt;background-color:****ansparent;">4.0****><**** ****="width:108.4pt;background-color:****ansparent;">±0.45****><**** ****="width:108.4pt;background-color:****ansparent;">45.0****><**** ****="width:101.55pt;background-color:****ansparent;">±2.30****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:88.95pt;background-color:****ansparent;">5.0****><**** ****="width:108.4pt;background-color:****ansparent;">±0.52****><**** ****="width:108.4pt;background-color:****ansparent;">50.0****><**** ****="width:101.55pt;background-color:****ansparent;">±2.45****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:88.95pt;background-color:****ansparent;">6.0****><**** ****="width:108.4pt;background-color:****ansparent;">±0.60****><**** ****="width:108.4pt;background-color:****ansparent;">60.0****><**** ****="width:101.55pt;background-color:****ansparent;">±2.50****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:88.95pt;background-color:****ansparent;"> ****><**** ****="width:108.4pt;background-color:****ansparent;"> ****><**** ****="width:108.4pt;background-color:****ansparent;">80.0****><**** ****="width:101.55pt;background-color:****ansparent;">±2.80****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:407.3pt;background-color:****ansparent;" 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"><****><****><**** ****="width:124.5pt;background-color:#cccccc;" rowspan="2">厚度 (d)****><**** ****="width:277.5pt;background-color:#cccccc;" colspan="2">直尺长度****>****><****><**** ****="width:5cm;background-color:#cccccc;">1000****><**** ****="width:135pt;background-color:#cccccc;">500****>****><****><**** ****="width:124.5pt;background-color:****ansparent;">1.6≤d≤3 3<> 6<> 8< d****><**** ****="width:5cm;background-color:****ansparent;">见注 10 8 6****><**** ****="width:135pt;background-color:****ansparent;">见注 2.5 2.0 1.5****>****><****><**** ****="width:401.25pt;background-color:****ansparent;" 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"><****><****><**** ****="width:37.6pt;background-color:#cccccc;" colspan="2">序 号****><**** ****="width:149.7pt;background-color:#cccccc;">指 标 名 称****><**** ****="width:63.2pt;background-color:#cccccc;">单 位****><**** ****="width:73.7pt;background-color:#cccccc;">指 标 值****><**** ****="width:84.25pt;background-color:#cccccc;">说明****>****><****><**** ****="width:37.6pt;background-color:****ansparent;" colspan="2">1****><**** ****="width:149.7pt;background-color:****ansparent;">垂直层向弯曲强度****><**** ****="width:63.2pt;background-color:****ansparent;">MPa****><**** ****="width:73.7pt;background-color:****ansparent;">≥340****><**** ****="width:84.25pt;background-color:****ansparent;">-****>****><****><**** ****="width:37.6pt;background-color:****ansparent;" colspan="2">2****><**** ****="width:149.7pt;background-color:****ansparent;">平行层向冲击强度 (简支梁法)****><**** ****="width:63.2pt;background-color:****ansparent;">KJ/****><**** ****="width:73.7pt;background-color:****ansparent;">≥33****><**** ****="width:84.25pt;background-color:****ansparent;" rowspan="2">两者之一满足本标准要求即可****>****><****><**** ****="width:37.6pt;background-color:****ansparent;" colspan="2">3****><**** ****="width:149.7pt;background-color:****ansparent;">平行层向冲击强度 (悬臂梁法)****><**** ****="width:63.2pt;background-color:****ansparent;">kJ/****><**** ****="width:73.7pt;background-color:****ansparent;">≥34****>****><****><**** ****="width:37.6pt;background-color:****ansparent;" colspan="2">4****><**** ****="width:149.7pt;background-color:****ansparent;">垂直层向电气强度 (90℃±2℃油中)****><**** ****="width:63.2pt;background-color:****ansparent;">MV/m****><**** ****="width:73.7pt;background-color:****ansparent;">见表5****><**** ****="width:84.25pt;background-color:****ansparent;">-****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">5****><**** ****="width:149.7pt;background-color:****ansparent;">平行层向击穿电压 (90℃±2℃油中)****><**** ****="width:63.2pt;background-color:****ansparent;">kV****><**** ****="width:73.7pt;background-color:****ansparent;">≥35****><**** ****="width:84.25pt;background-color:****ansparent;">-****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">6a****><**** ****="width:149.7pt;background-color:****ansparent;">介电常数 (48Hz-62Hz以下)****><**** ****="width:63.2pt;background-color:****ansparent;">-****><**** ****="width:73.7pt;background-color:****ansparent;">≤5.5****><**** ****="width:84.25pt;background-color:****ansparent;" rowspan="2">两者之一满足本标准要求即可****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">6b****><**** ****="width:149.7pt;background-color:****ansparent;">介电常数 (1MHz以下)****><**** ****="width:63.2pt;background-color:****ansparent;">-****><**** ****="width:73.7pt;background-color:****ansparent;">≤5.5****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">7****><**** ****="width:149.7pt;background-color:****ansparent;">马丁温度纵向****><**** ****="width:63.2pt;background-color:****ansparent;">℃****><**** ****="width:73.7pt;background-color:****ansparent;">≥200****><**** ****="width:84.25pt;background-color:****ansparent;"> ****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">8****><**** ****="width:149.7pt;background-color:****ansparent;">热稳定性****><**** ****="width:63.2pt;background-color:****ansparent;">℃****><**** ****="width:73.7pt;background-color:****ansparent;">200****><**** ****="width:84.25pt;background-color:****ansparent;"> ****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">9****><**** ****="width:149.7pt;background-color:****ansparent;">耐油性变压器油中4h****><**** ****="width:63.2pt;background-color:****ansparent;">℃****><**** ****="width:73.7pt;background-color:****ansparent;">130****><**** ****="width:84.25pt;background-color:****ansparent;"> ****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">10****><**** ****="width:149.7pt;background-color:****ansparent;">拉伸强度纵向 横向****><**** ****="width:63.2pt;background-color:****ansparent;">MPa****><**** ****="width:73.7pt;background-color:****ansparent;">≥314 ≥216****><**** ****="width:84.25pt;background-color:****ansparent;"> ****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">11****><**** ****="width:149.7pt;background-color:****ansparent;">粘合强度****><**** ****="width:63.2pt;background-color:****ansparent;">N****><**** ****="width:73.7pt;background-color:****ansparent;">≥5600****><**** ****="width:84.25pt;background-color:****ansparent;"> ****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">12****><**** ****="width:149.7pt;background-color:****ansparent;">表面电阻率常态时 浸水后****><**** ****="width:63.2pt;background-color:****ansparent;">MΩ****><**** ****="width:73.7pt;background-color:****ansparent;">≥1× ≥1×****><**** ****="width:84.25pt;background-color:****ansparent;"> ****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">13****><**** ****="width:149.7pt;background-color:****ansparent;">体积电阻率常态时 浸水后****><**** ****="width:63.2pt;background-color:****ansparent;">MΩ·m****><**** ****="width:73.7pt;background-color:****ansparent;">≥1× ≥1×****><**** ****="width:84.25pt;background-color:****ansparent;"> ****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">14****><**** ****="width:149.7pt;background-color:****ansparent;">平行层向绝缘电阻常态时 浸水后****><**** ****="width:63.2pt;background-color:****ansparent;">MΩ****><**** ****="width:73.7pt;background-color:****ansparent;">≥1× ≥1×****><**** ****="width:84.25pt;background-color:****ansparent;"> ****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">15a****><**** ****="width:149.7pt;background-color:****ansparent;">介质损耗因数 (48Hz-62Hz以下)****><**** ****="width:63.2pt;background-color:****ansparent;">-****><**** ****="width:73.7pt;background-color:****ansparent;">≤0.04****><**** ****="width:84.25pt;background-color:****ansparent;" rowspan="2">两者之一满足本标准要求即可****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">15b****><**** ****="width:149.7pt;background-color:****ansparent;">介质损耗因数 (1MHz以下)****><**** ****="width:63.2pt;background-color:****ansparent;">-****><**** ****="width:73.7pt;background-color:****ansparent;">≤0.04****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">16****><**** ****="width:149.7pt;background-color:****ansparent;">浸水后绝缘电阻****><**** ****="width:63.2pt;background-color:****ansparent;">Ω****><**** ****="width:73.7pt;background-color:****ansparent;">≥5.0×****><**** ****="width:84.25pt;background-color:****ansparent;">-****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">17****><**** ****="width:149.7pt;background-color:****ansparent;">密度****><**** ****="width:63.2pt;background-color:****ansparent;">g/****><**** ****="width:73.7pt;background-color:****ansparent;">(1.7-1.9)****><**** ****="width:84.25pt;background-color:****ansparent;">-****>****><****><**** ****="background-color:****ansparent;"> ****><**** ****="width:36.45pt;background-color:****ansparent;">18****><**** ****="width:149.7pt;background-color:****ansparent;">吸水性****><**** ****="width:63.2pt;background-color:****ansparent;">mg****><**** ****="width:73.7pt;background-color:****ansparent;">见表6****><**** ****="width:84.25pt;background-color:****ansparent;">-****>****>****>****> 表5垂直层向电气强度
<**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"><****><****><**** ****="width:64.05pt;background-color:#cccccc;">平均厚度 mm****><**** ****="width:140.2pt;background-color:#cccccc;">电气强度 MV/m****><**** ****="width:64pt;background-color:#cccccc;">厚度 mm****><**** ****="width:140.2pt;background-color:#cccccc;">电气强度 MV/m****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">0.4****><**** ****="width:140.2pt;background-color:#cccccc;">≥16.9****><**** ****="width:64pt;background-color:#cccccc;">1.6****><**** ****="width:140.2pt;background-color:#cccccc;">≥12.7****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">0.5****><**** ****="width:140.2pt;background-color:#cccccc;">≥16.1****><**** ****="width:64pt;background-color:#cccccc;">1.8****><**** ****="width:140.2pt;background-color:#cccccc;">≥12.2****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">0.6****><**** ****="width:140.2pt;background-color:#cccccc;">≥15.6****><**** ****="width:64pt;background-color:#cccccc;">2.0****><**** ****="width:140.2pt;background-color:#cccccc;">≥11.8****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">0.7****><**** ****="width:140.2pt;background-color:#cccccc;">≥15.2****><**** ****="width:64pt;background-color:#cccccc;">2.2****><**** ****="width:140.2pt;background-color:#cccccc;">≥11.4****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">0.8****><**** ****="width:140.2pt;background-color:#cccccc;">≥14.8****><**** ****="width:64pt;background-color:#cccccc;">2.4****><**** ****="width:140.2pt;background-color:#cccccc;">≥11.1****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">0.9****><**** ****="width:140.2pt;background-color:#cccccc;">≥14.5****><**** ****="width:64pt;background-color:#cccccc;">2.5****><**** ****="width:140.2pt;background-color:#cccccc;">≥10.9****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">1.0****><**** ****="width:140.2pt;background-color:#cccccc;">≥14.2****><**** ****="width:64pt;background-color:#cccccc;">2.6****><**** ****="width:140.2pt;background-color:#cccccc;">≥10.8****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">1.2****><**** ****="width:140.2pt;background-color:#cccccc;">≥13.7****><**** ****="width:64pt;background-color:#cccccc;">2.8****><**** ****="width:140.2pt;background-color:#cccccc;">≥10.5****>****><****><**** ****="width:64.05pt;background-color:#cccccc;">1.4****><**** ****="width:140.2pt;background-color:#cccccc;">≥13.2****><**** ****="width:64pt;background-color:#cccccc;">3.0****><**** ****="width:140.2pt;background-color:#cccccc;">≥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"><****><****><**** ****="width:161.85pt;background-color:#cccccc;">试样厚度平均值 mm****><**** ****="width:73.9pt;background-color:#cccccc;">吸水性 mg****><**** ****="width:161.85pt;background-color:#cccccc;">试样厚度平均值 mm****><**** ****="width:73.9pt;background-color:#cccccc;">吸水性 mg****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">0.4****><**** ****="width:73.9pt;background-color:****ansparent;">≤17****><**** ****="width:161.85pt;background-color:****ansparent;">5****><**** ****="width:73.9pt;background-color:****ansparent;">≤25****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">0.5****><**** ****="width:73.9pt;background-color:****ansparent;">≤17****><**** ****="width:161.85pt;background-color:****ansparent;">6****><**** ****="width:73.9pt;background-color:****ansparent;">≤27****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">0.6****><**** ****="width:73.9pt;background-color:****ansparent;">≤17****><**** ****="width:161.85pt;background-color:****ansparent;">8****><**** ****="width:73.9pt;background-color:****ansparent;">≤31****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">0.8****><**** ****="width:73.9pt;background-color:****ansparent;">≤18****><**** ****="width:161.85pt;background-color:****ansparent;">10****><**** ****="width:73.9pt;background-color:****ansparent;">≤34****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">1.0****><**** ****="width:73.9pt;background-color:****ansparent;">≤18****><**** ****="width:161.85pt;background-color:****ansparent;">12****><**** ****="width:73.9pt;background-color:****ansparent;">≤38****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">1.2****><**** ****="width:73.9pt;background-color:****ansparent;">≤18****><**** ****="width:161.85pt;background-color:****ansparent;">14****><**** ****="width:73.9pt;background-color:****ansparent;">≤41****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">1.6****><**** ****="width:73.9pt;background-color:****ansparent;">≤19****><**** ****="width:161.85pt;background-color:****ansparent;">16****><**** ****="width:73.9pt;background-color:****ansparent;">≤46****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">2.0****><**** ****="width:73.9pt;background-color:****ansparent;">≤20****><**** ****="width:161.85pt;background-color:****ansparent;">20****><**** ****="width:73.9pt;background-color:****ansparent;">≤52****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">2.5****><**** ****="width:73.9pt;background-color:****ansparent;">≤21****><**** ****="width:161.85pt;background-color:****ansparent;">25****><**** ****="width:73.9pt;background-color:****ansparent;">≤61****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">3****><**** ****="width:73.9pt;background-color:****ansparent;">≤22****><**** ****="width:161.85pt;background-color:****ansparent;">单面加工至22.5****><**** ****="width:73.9pt;background-color:****ansparent;">≤73****>****><****><**** ****="width:161.85pt;background-color:****ansparent;">4****><**** ****="width:73.9pt;background-color:****ansparent;">≤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。 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。 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。 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。 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%)。 |