2032 coin cell separator 25um

Polypropylene/PP separator for organic electrolytes.

SPECIFICATION:

• Length : 400 m
• Width : 50 mm
• Thickness : 25 um
• Air Permeability : 520 sec/100ml
• Factor of porosity : 42 %
• Tensile Strength : >1200 Kg/cm2 (MD), >130Kg/cm2 (TD)
• Puncture Strength : >450 g
• Thermal contraction (90℃ 1h) : ≤2.5% (MD), ≤0.5% (TD)
• Thermal contraction (105℃ 1h) : ≤4% (MD), ≤1% (TD)