Pre Laid Polymer Self-adhesive Membrane Waterproof Coiled

No.

Item

Index

P

PY

R

1

Soluble content/（g/m2)

2900

2

tensile property

Pulling force/(N/50 mm) ≥

600

800

350

Tensile strength/MPa ≥

16

-

9

Elongation at break of membrane/%≥

400

-

300

Elongation at maximum tension/%≥

-

40

-

Phenomenon during stretching

No separation between the adhesive layer and the subject material or tire base

3

Tear strength of nail rod/N ≥

400

200

130

4

Elastic recovery rate/% ≥

-

-

80

5

Puncture resistance/N ≥

350

550

100

6

Impact resistance（0.5kg*m)

no-leakage

7

Anti static load

20kg,no-leakage

8

Heat resistance（70℃，2h）

80℃，2hNo slip, flow and drip

70℃，2hNo slip, flow and drip

100℃，2hNo slip, flow and drip

9

Low temperature bending

Main material - 35 ℃, no crack

-

Main material and adhesive layer - 35 ℃, no crack

10

Low temperature flexibility（-20℃）

Adhesive layer - 25 ℃, no crack

-20℃，no crack

-

11

Oil permeability/Pcs                ≤

1

2

1

12

Water channeling resistance（Hydraulic gradient）

0.8MPa/35mm,4hNo water channeling

13

Impermeability（0.3Mpa 120min）

Impervious

14

Peeling strength of coil anti sticking treatment/（N/mm）  ≥

0.1Or non bonding

15

Thermal aging（80℃，168h）

Tensile holding force/%     ≥

90

80

Elongation retention/%   ≥

80

70

Low temperature bending

Main material - 32 ℃, no crack

-

Main material and adhesive layer - 32 ℃, no crack

Low temperature flexibility

Adhesive layer-23℃,no crack

-18℃,no crack

-

16

Dimensional change rate/%  ≤

±1.5

±0.7

±1.5