试验的环境条件
Test conditions |
除非另有规定，所有项目均应在温度23±2℃，相对湿度50±5%，空气净化度10000级条件下进行。Unless otherwise specified, all items shall be proceeded at a temperature 23 ± 2 ° C, relative humidity of 50 ± 5%, air purification 10000. |
取样
Sampling |
取样前至少去掉被测膜卷外三圈，后按规定数量取样。
Remove at least three outer layers from the roller of film before sampling and then proceed with sampling according to the prescribed quantity. |
外观检查
Visual inspection |
外观检查应在大于500Lx 照度的条件下进行。
Appearance inspection should be greater than 500Lx illumination conditions. |
厚度的测定
Measurement of thickness |
按GB/T 13542.2中的第4条进行。As per Article 4 of GB/T 13542.2.
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拉伸强度和
断裂伸长率的测定
Measurement of tensile strength and elongation at break |
按GB/T 13542.2中的第11条有关规定进行，拉伸速度为（100±2.0）mm/min，夹持距为（100±2.0）mm，试样宽度:(15±1.0)mm。As per Article 11 of GB/T 13542.2 with stretching speed（100±2.0）mm/min, clamping distance（100±2.0）mm and sampling width(15±1.0)mm.
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热收缩率的测定
Measurement of thermal shrinkage |
按GB/T 13542.2中的第23条进行。烘箱温度120±2℃，烘焙时间10min。
As per Article 23 of GB/T 13542.2. Oven temperature 120±2℃ and baking time 10 mins. |
温润张力的测定
Measurement of gentle tension |
按GB/T 13542.2中的第10条进行。As per Article 10 of GB/T 13542.2.
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表面粗糙度的测定
Measurement of surface roughness |
按GB/T 12542.2中的第8条进行。As per Article 8 of GB/T 12542.2. |
空隙率的测定
Measurement of porosity |
按GB/T 13542.2中的第35条进行。As per Article 35 of GB/T 13542.2. |
介电强度的测定
Measurement of dielectric strength |
直流试验元件法按GB/T 13542.2中的第18.2.1条进行；50点电极法按GB/T 13542.2中的第18.2.2条进行。For Dc test method of components, as per Article 18.2.1 of GB/T 13542.2. For 50 point electrode, as per Article 18.2.2 of GB/T 13542.2. |
体积电阻率的测定
Measurement of volume resistivity |
按GB/T 13542.2中的第16条进行。As per Article 16 of GB/T 13542.2.
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表面电阻率的测定
Measurement of the surface resistivity |
按GB/T 13542.2中的第15条 进行。As per Article 16 of GB/T 13542.2 |
电气弱点的测定
Measurement of insulation failure |
按GB/T 13542.2中的第19.3条或19.1条进行，受试面积不小于5㎡，测试电压为：200V/μm。As per Article 19.3 or 19.1 of GB/T 13542.2 with a test area not less than 5 ㎡ and the test voltage of 200V/μm.
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| 可圈绕性的测定Measurement of winding performance |
按GB/T 13542.2中的第7.3条进行。As per Article 7.3 of GB/T 13542.2.
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熔点的测定
Measurement of
melting point |
按GB/T 13542.2中的22条进行。As per Article 22 of GB/T 13542.2. |
密度的测定
Measurement of density |
按GB/T 13542.2中的第5条进行。As per Article 5 of GB/T 13542.2. |