Item

         Specification

   H

    L

   P

   G

    GL

The  resin thickness of  Middle fabric

mm≥

—

            0.40

Tension

cap

Maximum tension N/cm ≥ 

—

120

250

—

  120

Tension strength Mpa≥

10

10

Maximum tension elongation

%≥

15

Fracture elongation%≥

200

150

200

100

Heat treatment size change rate

 %≤

2.0

1.0

0.5

0.1

0.1

Low-temperature bending

-25°CNo craze

Water tightness

0.3Mpa,2hNo seepage

Attack resistance

0.5kg·m,No seepage

Static charge resistance

No seepage

      Seam peeling strength

N/mm≥

4.0Membranes break

3.0

right-angle tear strength,N/mm≥

50

50

Trapezoid tear strength N≥

150

250

220

Water absorbing apacity(70°C 168h), %

After soaking≤

4.0

air-cure later≥

-0.40

(80°C)

Heat aging

 time

672h

 appearance

No craze, no bubble, no cohering, hole

Tensile strength retention%≥

85

Elongation rate of keeping%≥

80

 Cold bending

 Low temperature bend

No craze

Chemistry

resistance

appearance

No craze, no bubble, no cohering, hole

Tensile strength retention

%≥

85

%≥

Elongation rate of keeping

80

Low-temperature bending

-20°C

No craze

Man-made climate quicken aging

 time

1500hb

 appearance 

No craze, no bubble, no cohering, hole

Tensile strength retention

%≥

85

Elongation rate of keeping

%≥

80

Low temperature bend

-20°C

No craze