Item

Test methods

Unit

Specifications

Thickness

ASTM D1777

mm

0.20±0.02

Standard width

ASTMD3774

in

59

Tensile strength

Warp

GB/T 3923.1-1997

N/5x20cm

≥700

Weft

GB/T 3923.1-1997

N/5x20cm

≥500

(500pa)

Air tightness

GB/T 5453-1997

[m³/(m².s)] x10³

<0.06

Hydro static resistance

FZ/T 01004-1991

kpa

>200

Adhesion

HF welding

(peel value)

Warp

GB/T 3923.1-1997

N/2.5cm

≥230

Weft

GB/T 3923.1-1997

N/2.5cm

≥200

Peeling off

Warp

FZ/T01010-1991

N/2.5cm

,

cannot peal off the film

Weft

FZ/T01010-1991

N/2.5cm

,

cannot peal off the film

Low temperature resistance

FZ/T 01007-1991

-30

Anti-stickiness

FZ/T 01063-1999

70, 4hs

good