Celgard 2500 Polypropylene Separator ​

  • Zero TD shrinkage for high temperature stability ​
  • High chemical resistance to acids and bases ​
  • Optimized 55% porosity for superior ion transport ​
  • High puncture strength for enhanced safety ​
  • Excellent oxidation resistance for long cycle life 

Product Description

A high-performance 25μm microporous monolayer membrane designed for high-rate and low-temperature primary lithium batteries. This premium separator delivers exceptional thermal stability, low electrical impedance, and reliable safety performance—making it the ideal choice for demanding battery applications. 

Specifications

Parameter 

Value 

Material 

Polypropylene (PP) 

Thickness 

25 μ

Porosity 

55% 

Pore Size 

0.064 μ

Gurley 

200 seconds 

Puncture Strength 

335 grams 

Tensile Strength (MD/TD) 

1055/135 Kg/cm² 

TD Shrinkage @90°C 

0% 

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