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