PVC waterproof membrane for swimming pool

                                                                     PVC Waterproof membrane

No.

Item

L

N

W

I

II

I

II

I

II

1

Tensile strength N/cm ≥

100

160

8

12

100

160

2

fracture elongation %≥

150

200

200

200

150

200

3

Dimension Changing at heating %≤

1.5

1

3

2

1.5

1

4

Foldability at low temperature °C

-20

-25

-20

-25

-20

-25

5

Water tightness

No leakage

No leakage

No Leakage

6

Joint shear resistance (N/mm)≥

3

3

6

7

Thermal Ageing treatment

Appearance

no bubble

no bubble

no bubble

Tensile strength changing rate %

±25

±20

±25

±20

±25

±20

Breaking elongation changing rate%

8

Chemical corrosion resistance

foldability at low temperature °C

-15

-20

-15

-20

-15

-20

Tensile strength changing rate %

±25

±20

±25

±20

±25

±20

Breaking elongation changing rate%

9

Artificial climate accelerated aging

foldability at low temperature °C

-15

-20

-15

-20

-15

-25

Tensile strength changing rate %

±25

±20

±25

±20

±25

±20

Breaking elongation changing rate%

N1

PVC membrane without compound layer for exposed

N2

PVC membrane without compound layer for non exposed

L1

PVC membrane with compound layer for exposed

L2

PVC membrane with compound layer for non exposed

W1

PVC reinforced membrane for exposed

W2

PVC reinforced membrane for non exposed