1. pvc roof waterproof material (membrane), 2. pvc underground leakageproof material (membrane) The company reformed from No. 1 Jinan Plastic Factory which used Italian technics to producePVC waterproof material at the beginning of 1990. And products is 2. 1m wide and is widelyused in roofing and underground leakaging such as tunnel, dam, pond, roof.
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 underground leakageproof material