HDPE Waterproof Membrane
Polymer Waterproof Membrane
By adopting modified masterbatch materials(EVA, PE, ECB), the polymer waterproof membrane is processed per standard GB/T 18173.1-2012. Its excellent flexibility and physical performance allow the product to be customizable, environmental-friendly and easier to assemble.
Applications
The waterproof &drainage of tunnels, expressways, railways, landfills and buildings.
The blockage of contamination in water channel, ditches and outlets.
The partition treatment of stony desertification, sandy desertification and salinization.
Product Properties for membrane(GB 18173.1-2012)
No. |
Property |
Product Standard |
Membrane |
|||
1 |
Sheet Thickness mm |
- |
1.2 |
1.5 |
2.0 |
|
2 |
Tensile Strength at Break MPa≥ |
16 |
17.2 |
17.5 |
17.2 |
|
3 |
Elongation at Break%≥ |
550 |
840 |
850 |
835 |
|
4 |
Tear Resistance(N/mm)≥ |
60 |
90 |
93 |
91 |
|
5 |
Impermeability(30min) |
0.3MPa without seepage |
0.3MPa without seepage |
|||
6 |
Cold Bend |
-35oC bend without crack |
-35oC bend without crack |
|||
7 |
Thermal Expansion and Shrinkage/mm |
Expansion |
2 |
2 |
2 |
2 |
Shrinkage |
6 |
6 |
6 |
6 |
||
8 |
Thermal aging(80oC×168 h) |
Retention rate of tensile break strength%≥ |
80 |
80 |
80 |
80 |
Retention rate of tensile break strength%≥ |
70 |
70 |
70 |
70 |
||
9 |
Alkali Resistance(normal temperature) Ca(OH)2 Saturated Solution×168 h |
Retention rate of tensile break strength%≥ |
80 |
80 |
80 |
80 |
Retention rate of tensile break strength%≥ |
90 |
90 |
90 |
90 |
||
10 |
Artificial Weathering |
Retention rate of tensile strength at break%≥ |
80 |
80 |
80 |
80 |
Retention rate of tensile strength at break% ≥ |
70 |
70 |
70 |
70 |
||
11 |
Peel Strength(between sheets) |
N/mm(standard test)≥ |
1.5 |
1.5 |
1.5 |
1.5 |
Retention Rate of Immersion(normal temperature×168 h)/%≥ |
70 |
70 |
70 |
70 |
||
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