Battery Polyethylene (PE) Separator Film

Generic low cost separator used in separating lithium ion battery cathode and anode. Lower melting point that more common PP separators which may be beneficial in some cases with self shutting cells.  Standard roll 85mm x 60m, custom sizes on request.

Product characteristics:

1. Uniform pore size distribution

2. Low obturator temperature

SKU: SEP-PE

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Description

Used in separating lithium ion battery cathode and anode. Lower melting point that more common PP separators which may be beneficial in some cases with self shutting cells. (Please be aware that 3 layer PP/PE/PP separators are also available, check Celgard 2320 and Celgard 2325)

Term

Unit

Inspection value

Inspection value

Inspection value

Inspection value

Appearance

Ivory-white

Ivory-white

Ivory-white

Ivory-white

Thickness

micron

16±2

18±2

20±2

25±2

Gas permeability

Sec/100ml

350-550

350-500

350-550

350-650

Porosity

%

38-44

38-44

38-44

38-44

Puncturing Strength

g

>300

>300

>300

>300

Tensile strength MD

Mpa

>90

>90

>90

>90

Tensile strength TD

Mpa

>100

>100

>100

>100

Film close temperature

≤135

≤135

≤135

≤135

Film break temperature

≥147

≥147

≥147

≥147

90℃ heat shrink MD

%

≤3.5

≤3.5

≤3.5

≤3.5

90℃ heat shrink TD

%

≤2

≤2

≤2

≤2

105℃ heat shrink MD

%

≤5

≤5

≤5

≤5

105℃ heat shrink TD

%

≤3

≤3

≤3

≤3

120℃ heat shrink MD

%

≤20

≤20

≤20

≤20

120℃ heat shrink TD

%

≤15

≤15

≤15

≤15

Specification

Thickness

16um, 20um, 25um