| Customization: | Available |
|---|---|
| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell |
| Color: | Transparent |
|
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Flexible Circuit Board Substrate High Transmittance Transparent Polyimide Foils
Product Description
Introduction:
It has the excellent performance of traditional PI thin film and high transmission rate to visible light( ≥90%) and high glass transition temperature (310ºC, 320ºC, 330ºC). It can be used as flexible substrate material for LED lighting/display devices,thin film solar cells, electronic paper, and can be applied in flexible display, transparent flexible circuit board, flexible electronics and other fields. Welcome to inquiry.
Size: A4
Thickness: 20um, 25um, 50um, 100um
Average transmittance: above 90%
Glass transition temperature: 330ºC
Feature: High heat resistance, excellent mechanical properties and excellent dielectric properties
Application: Insulation
|
Performance |
Test item |
Unit |
Value |
|
|
Thickness |
um |
25 |
|
|
Density |
g/cm3 |
1.42 |
|
Mechanical property |
Tensile strength |
Mpa |
>140 |
|
Elongation at break |
% |
>30 |
|
|
Modulus |
Gpa |
>3 |
|
|
Thermal properties |
Glass transition temperature Tg(DMA) |
ºC |
>300 |
|
Coefficient of thermal expansion CTE (at 50-200ºC) |
ppm/k |
20-24 |
|
|
1% Weight loss temperature Td1 (in N2) |
ºC |
>460 |
|
|
Optical performance |
Average light transmissivity(400~800nm) |
% |
>88 |
|
light transmissivity(at 550nm) |
% |
>90 |
|
|
Yellow index |
- |
<3 |
|
|
Chroma(b value) |
- |
<2 |
|
|
Refractive index |
- |
1.6 |
|
|
Haze index |
% |
<0.8 |
|
|
Electrical property |
Withstand breakdown voltage |
KV/mm |
>180 |
|
Dielectric constant(1kHZ) |
- |
2.9 |
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