Non-laminated pvc waterproof membrane
No. | Item | Model 1 | Model 2 | |
1 | Tensile Strength Mpa ≥ | 8.0 | 12.0 | |
2 | Elongation at break% ≥ | 200 | 250 | |
3 | Size change rate after heat treatment % ≤ | 3.0 | 2.0 | |
4 | Low temperature flexibility | -20oC no crackle | -25oC no crackle | |
5 | Penetration resistance | No penetration | ||
6 | Waterproof resistance | No leakage | ||
7 | Heat ageing treatment | Appearance | no crackle, no bubble, no adhesion and holes | |
Tensile strength change rate % | +25 | +20 | ||
Change rate of elongation at break | ||||
Low temperature flexibility | -15oC no crackle | -20oC no crackle | ||
8 | Chemical corrosion resistance | Tensile change rate % | +25 | +20 |
Change rate of elongation at break | ||||
Low temperature flexibility | -15oC no crackle | -20oC no crackle | ||
9 | Accelerated ageing under artificial climate | Tensile change rate % | +25 | +20 |
Change rate of elongation at break | ||||
Low temperature flexibility | -15oC no crackle | -20oC no crackle |
JInan Fangxin pvc waterproof material