Packing:
- roll(W*L): 100mm*10m; 100mm*400m
- disc(Diameter φ18mm): 500sheets, 1000sheets, 5000sheets.
Single-layer 25um PP film features:
- Produced using dry stretching process;
- Excellent acid, alkali and most chemical resistance;
- Consistent pore structure with high chemical and thermal stability;
- Suitable for a variety of battery applications;
- Excellent anti-oxidation properties ensure excellent cycle and trickle charge performance;
- Zero shrinkage in the transverse (TD) direction, reducing internal short circuits and improving high temperature dimensional integrity.
Main Parameters:
| Basic Film Properties | Unit of Measure | Typical Value |
| Thickness | μm | 25 |
| Gurley (JIS) | Seconds | 200 |
| Porosity | % | 55 |
| PP Pore Size (Avg. Diameter) | μm | 0.064 |
| TD Shrinkage @ 90°C /1 Hour | % | 0 |
| MD Shrinkage@90°C/1Hour | % | 5 |
| Puncture Strength | Grams | 335 |
| Tensile Strength, MD | Kg/cm2 | 1055 |
| Tensile Strength, TD | Kg/cm2 | 135 |
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