試驗的環境條件
Test conditions |
除非另有規定,所有項目均應在溫度23±2℃,相對濕度50±5%,空氣凈化度10000級條件下進行。Unless otherwise specified, all items shall be proceeded at a temperature 23 ± 2 ° C, relative humidity of 50 ± 5%, air purification 10000. |
取樣
Sampling |
取樣前至少去掉被測膜卷外三圈,后按規定數量取樣。
Remove at least three outer layers from the roller of film before sampling and then proceed with sampling according to the prescribed quantity. |
外觀檢查
Visual inspection |
外觀檢查應在大于500Lx 照度的條件下進行。
Appearance inspection should be greater than 500Lx illumination conditions. |
厚度的測定
Measurement of thickness |
按GB/T 13542.2中的第4條進行。As per Article 4 of GB/T 13542.2.
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拉伸強度和
斷裂伸長率的測定
Measurement of tensile strength and elongation at break |
按GB/T 13542.2中的第11條有關規定進行,拉伸速度為(100±2.0)mm/min,夾持距為(100±2.0)mm,試樣寬度:(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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熱收縮率的測定
Measurement of thermal shrinkage |
按GB/T 13542.2中的第23條進行。烘箱溫度120±2℃,烘焙時間10min。
As per Article 23 of GB/T 13542.2. Oven temperature 120±2℃ and baking time 10 mins. |
溫潤張力的測定
Measurement of gentle tension |
按GB/T 13542.2中的第10條進行。As per Article 10 of GB/T 13542.2.
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表面粗糙度的測定
Measurement of surface roughness |
按GB/T 12542.2中的第8條進行。As per Article 8 of GB/T 12542.2. |
空隙率的測定
Measurement of porosity |
按GB/T 13542.2中的第35條進行。As per Article 35 of GB/T 13542.2. |
介電強度的測定
Measurement of dielectric strength |
直流試驗元件法按GB/T 13542.2中的第18.2.1條進行;50點電極法按GB/T 13542.2中的第18.2.2條進行。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. |
體積電阻率的測定
Measurement of volume resistivity |
按GB/T 13542.2中的第16條進行。As per Article 16 of GB/T 13542.2.
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表面電阻率的測定
Measurement of the surface resistivity |
按GB/T 13542.2中的第15條 進行。As per Article 16 of GB/T 13542.2 |
電氣弱點的測定
Measurement of insulation failure |
按GB/T 13542.2中的第19.3條或19.1條進行,受試面積不小于5㎡,測試電壓為: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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可圈繞性的測定Measurement of winding performance |
按GB/T 13542.2中的第7.3條進行。As per Article 7.3 of GB/T 13542.2.
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熔點的測定
Measurement of
melting point |
按GB/T 13542.2中的22條進行。As per Article 22 of GB/T 13542.2. |
密度的測定
Measurement of density |
按GB/T 13542.2中的第5條進行。As per Article 5 of GB/T 13542.2. |