Project

Index

25μm

50μm

70μm

100μm

Tensile strength

 /MPa

Longitudinal

≥8

≥10

≥11

≥13

Transverse

≥9

≥11

≥13

≥15

Standard Fracture strain/%

Longitudinal

≥270

≥280

≥300

≥310

Transverse

≥280

≥300

≥310

≥320

Heat shrinkage rate

Longitudinal

2%

1.5%

1%

1%

Transverse

2%

1.5%

1%

1%

Puncture strength/N

Wetting tension

 /（mN/m）

Treated surface

>45

Wetting angle

Treated surface

<90°

Specific gravity

2.12-2.17

Melting point

270℃

treated side is the surface which is treated by physical or chemical method.