Product Description
PE PP PP/PE/PP Multi layers Battery Separator with Customized Width 
 
 PE & PP separators are used for lithium-ion battery manufacturers and researchers. The materials consist of Polymer film , that are either Polypropylene (PP) or Polyethylene (PE) based. contain micro and nano pores to provide excellent ion transportation capabilities within the li-ion battery.
Also Ceramic-coated variety for enhanced thermal deformation resistance and mechanical strength.
Specification
 	 			No.
 			Test Term
 			Unit
 			Inspection value
 		
 			1
 			Thickness
 			micron
 			20.0±2.0
 		
 			2
 			Surface density
 			g/㎡
 			17.0±2.0
 		
 			3
 			Ceramic layer Surface density
 			g/㎡
 			8.0±1.5
 		
 			4
 			Gas permeability
 			Sec/100ml
 			250±40
 		
 			5
 			Gas permeability increment
 			%
 			≤15%
 		
 			6
 			Puncturing Strength
 			gf
 			≥580
 		
 			7
 			120℃ *1h shrinking percentage
 			MD
 			%
 			≤2.0
 		
 			8
 			TD
 			%
 			≤1.5
 		
 			9
 			Tensile strength
 			MD
 			Mpa
 			≥150
 		
 			10
 			TD
 			Mpa
 			≥135
 		
 			11
 			Tensile
 			Elongation
 			MD
 			%
 			≥50
 		
 			12
 			TD
 			%
 			≥50
 		
 			13
 			Film close temperature
 			℃
 			≤135
 		
 			14
 			Width
 			mm
 			 
 		
 			15
 			Length
 			m
 			 
 		
 			16
 			Peel strength
 			N/m
 			≥40
 		
 			17
 			Static electricity
 			KV
 			≤2.0
 		
 			18
 			Water content
 			ppm
 			≤1200
 		
  

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No.	Test Term		Unit	Inspection value
1	Thickness		micron	20.0±2.0
2	Surface density		g/㎡	17.0±2.0
3	Ceramic layer Surface density		g/㎡	8.0±1.5
4	Gas permeability		Sec/100ml	250±40
5	Gas permeability increment		%	≤15%
6	Puncturing Strength		gf	≥580
7	120℃ *1h shrinking percentage	MD	%	≤2.0
8	120℃ *1h shrinking percentage	TD	%	≤1.5
9	Tensile strength	MD	Mpa	≥150
10	Tensile strength	TD	Mpa	≥135
11	Tensile Elongation	MD	%	≥50
12	Tensile Elongation	TD	%	≥50
13	Film close temperature		℃	≤135
14	Width		mm
15	Length		m
16	Peel strength		N/m	≥40
17	Static electricity		KV	≤2.0
18	Water content		ppm	≤1200