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Thermal insulation PI film (battery PI thermal insulation film/PI high-temperature isolation film)
Main technical indicators and characteristics:
1. Appearance: The surface of the film is flat and smooth, without defects such as wrinkles, tears, particles, bubbles, pinholes, and foreign impurities. The edges are neat and undamaged.
2. Width and length: The film is supplied in rolls or discs. Width of 10-620mm. According to user requirements, the width and length are determined through negotiation between the supply and demand parties, and can be provided in strip form.
3. Thickness and allowable deviation
| Standard thickness (mm) |
Tolerance (mm) |
| 0．025 |
±0.003 |
| 0．03 |
±0.003 |
| 0.05 |
±0.003 |
| 0.075 |
±0.005 |
| 0.1 |
±0.005 |
| 0.125 |
±0.008 |
| 0.15 |
±0.008 |
| 0.175 |
±0.01 |
| 0.20 |
±0.012 |
| 0.225 |
±0.015 |
4. Performance requirements
| Indicator Name |
unit |
Indicator value |
|
| tensile strength |
Vertical |
MPa |
≥135 |
| Horizontally |
≥115 |
||
| elongation at break |
Vertical |
% |
≥40 |
| Horizontally |
≥40 |
||
| Power frequency electrical strength |
average value |
Mv/m |
≥140 |
| Individual values |
≥100 |
||
| Shrinkage rate |
% |
≤1.0
|
|
Product Structure/Material:
poly
Product application areas:
The thermal conductivity of the battery PI insulation film is less than 0.018w/M.K, and it is flame retardant at 94 V-0; Used for battery isolation film; High temperature isolation buffer zone isolation and other product fields;
Advanced Institute (Shenzhen) Technology Co., Ltd， © two thousand and twenty-onewww.avanzado.cn. All rights reservedGuangdong ICP No. 2021051947-1 © two thousand and twenty-onewww.xianjinyuan.cn. All rights reservedGuangdong ICP No. 2021051947-2