Complaint
T015 Bridge Subway Tunnel Buried Waterstop Back Stick Type Rubber Sealing Belt
Sealing Material For Engineering, Construction, Civil Works.
What is rubber water stop?
A rubber water stop is an integral sealing system used on all types of concrete structures to keep liquids in and out. The rubber waterstop is made of natural rubber or synthetic rubber, adding various additives and fillers, and then plasticizing, mixing, pressing and molding.
Water-stop and Waterproof Strips:
No. | Item | Index | |||
B | |||||
1 | Hardness (shore A) | 60 ± 5 | |||
2 | Tensile strength, MPa ≥ | 15 | |||
3 | Elongation of break, % ≥ | 380 | |||
4 | Compression set | 70ºC×24 h,% ≤ | 35 | ||
23ºC×168 h, % ≤ | 20 | ||||
5 | Tear strength 21, kN/m ≥ | 30 | |||
6 | Brittleness, ºC ≤ | -45 | |||
7 | Hot air aging | 70ºC×168 h | Hardness (shore A), ≤ | +8 | |
Tensile strength, MPa ≥ | 12 | ||||
Elongation of break, % ≥ | 300 | ||||
100ºC×168 h | Hardness (shore A), ≤ | -- | |||
Tensile strength, MPa ≥ | |||||
Elongation of break, % ≥ | |||||
8 | Ozone testing 50 PHM: 20%, 48 h | 2 grade | |||
