40um PP Separator Film For Battery Raw Material

Name

 PP Separator paper

Item

Unit

  Type

T-PP-40

Thickness

um

40

Air Permeability

sec/100ml

780

Factor of porosity

%

43

 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