Description
Product Name & Description
Celgard? 2340
39??m Trilayer Microporous Membrane (PP/PE/PP)
Primary Applications
High Energy Lithium Battery Systems; especially safety-critical and performance-critical applications
Product Benefits?
- Zero TD shrinkage reduces internal shorting
- Uniform pore structure with high chemical & thermal stability
- Medium porosity provides excellent energy performance with low self-discharge
- PP outer layer provides high temperature melt integrity, oxidation resistance
- PE inner layer provides high-speed shutdown features
- Offers increased energy density and exceptional safety performance
Technical Data (Typical Properties)
|
Basic Film Properties |
Unit of Measure |
Typical Value |
|
Thickness |
??m |
39 |
|
Gurley (JIS) |
Seconds |
780 |
|
Porosity (calculated) |
% |
44 |
|
TD Shrinkage @ 105??C / 1 Hour (typical) |
% |
0 |
|
MD Shrinkage @ 105??C / 1 Hour (typical / max) |
% |
3.5 / 8.0 |
|
TD Tensile Strength (typical / min) |
Kg/cm2 |
165 / 100 |
|
MD Tensile Strength (typical / min) |
Kg/cm2 |
1630 / 1400 |
|
Puncture Strength (typical / min) |
Grams Force (gf) |
700 / 550 |
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