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water swelling water stop adopts non-uniform thickness structure, and divided into power zone, waterproof zone and mounting zone. At the same time, the outside wall of the shrinkage holes are plane. So that it has a large contact area while pressing with plates, and can prevent dislocation, displacement, easy to construct and install.
| Product Name | China construction joint concrete water swelling rubber waterstops |
| Main Material | Natural rubber , hydrophilic resin |
| Elongation at break | more than 350 , more than 450 |
| Tensile strength Mpa | more than 3 , or 3.5 |
| Hardness Shore A | 42±7, 45±7, 48±7 |
| Width | 280-350mm |
| Thickness | 4-8mm |
| Usage | It is widely used in the projects of water conservency, architectures, air defenses, subways, tunnels,high ways,railways, bridges, etc. |