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Dongguan Guan Xiang Electronic Materials Co., Ltd. 
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Miss Wei 189 2433 6608
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corona resistant polyimide film

Name：corona resistant polyimide film
AddTime：2014.04.11
Unit：Dongguan Xiangguan Electronic Materials Co., Ltd
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Product details：
    
One, characteristic and Application
The corona resistant polyimide film with the electrical performance of common polyimide film, high heat resistance, chemical resistance and strong features, also have strong corona resistant performance and good thermal conductivity. Wrap around after sintering is suitable for electromagnetic wire, and the main insulation of traction motor, wind turbines and other special motor winding, heat resistant grade C.
Two, the product specifications
  1、 Width  ： 10-600 mm
  2、Length ： 500-1000 m 
Three, performance index
NO INDEX NAME UNIT INDEX VALUES TEST METHOD
1 Model 　 CR FCR FCRF 　
2 Thickness µm 25 38 50 ASTM D-374
3 Thickness Tolerance µm ±2 ±3 ±3 ASTM D-374
4 Corona resistant life
Voltage: 2KV, frequency: 20KHz
Pulse duty ratio: 50%
Pulse: Fang Bo
Polarity: Bipolar
The experimental temperature: 155 ℃ ± 2 ℃
Pulse rise time (no-load): 50ns		 h ≥24 ≥24 ≥24 GB/T24122-2009
5 Elongation Break(MD、TD) % ≥40 ≥40 ≥40 ASTM D-882
6 工频电气强度   Electrical Strength MV/m ≥150 ≥150 ≥150 ASTM D-149
7  Heat Shrinkage 150℃，0.5h % ≤1.0 ≤1.0 ≤1.0 ASTM D5213-04
400℃，0.5h % ≤3.0 ≤3.0 ≤3.0 ASTM D5213-04
8 Tensile Strength Mpa ≥135 ≥80 ≥80 ASTM D-882
9 Unwind  N/25mm --- ≥6.0 ≥10.0 ASTM D-1000
10 Electrical Surface Resistivity 200℃ Ω
14
≥ 1.0 ×10
 ASTM D-257
11 Electric Volume Resistivity 200℃ Ω.m
10
≥ 1.0 ×10 
 ASTM D-257
12 Relative Inductivity 48-62HZ ------ 3.5 ± 0.4 ASTM D-150
13 Dielectric Loss Factor 48-62HZ  ------
-3
≤ 4.0 × 10 
 ASTM D-150
14 Density
3
9, 48, 31, 6, 9, 47, 31, 21
Kg/m³
 1.420 ± 10 ASTM D-1505
15 Color ------ 金黄色半透明 目测
Four, storage and transportation requirements
1, the film should be stored in a clean dry warehouse, storage period is two years, more than the storage period according to the standard inspection, qualified can use.
2, in the process of storage and transportation, should avoid dampness and mechanical injury.