20um Separator Film For Lithium Ion Battery Raw Materials

 

Name		PP Separator paper
Item		Unit	Type
			T-PP-20
Thickness		um	20
Air Permeability		sec/100ml	420
Factor of porosity		%	40
Tensile Strength	MD	Kg/cm2	>1200
	TD	Kg/cm2	>130
Puncture Strength		g	>450
Thermal contraction (90℃ 1h)	MD	%	≤2.5
	TD	%	≤0.5
Thermal contraction  (105℃ 1h)	MD	%	≤4
	TD	%	≤1
Obturator temperature		℃	153