Rubber water stop is used in the large concrete structure, for example, dam, cistern, basement, etc. Pouring rubber water stop in deformation joint and working place is to prevent leaking.
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.
Rubber Waterstop Type
Divided by water stops shape
Dumbbell type: suitable for construction joints, shrinkage joints and joints where shearing motion is not possible.
Center bulb type: suitable for expansion joints and joints with a large amount of movement.
Divided by water stops material
Natural rubber waterstop, neoprene waterstop, styrene-butadiene rubber waterstop.
The rubber waterstop is a new type of shock absorption, seismic design and reinforcement method. Its main function is to reduce the relative displacement of the beam pier and prevent the beam body from falling off the support. If you have a demand for rubber waterstop, please contact us.
Water stopper belt physical and mechnical performance
|
Serial No. |
Item |
Naural Rubber |
Synthetic Rubber |
||
|
1 |
Hardness |
Shore A Hardness |
60±5 |
60±5 |
|
|
2 |
Tensile Strength |
Mpa≥ |
18 |
16 |
|
|
3 |
Elongatin at Berak |
%,≥ |
450 |
400 |
|
|
4 |
Compression Permanent Set |
70℃×24h%,≦ |
35 |
35 |
|
|
23℃×168h%,≦ |
20 |
20 |
|||
|
5 |
Tearing Strength |
N/m,≥ |
35 |
35 |
|
|
6 |
Brittle Temperation |
℃≦ |
-45 |
-40 |
|
|
7 |
Aging in Hot Air |
70℃×72h |
Hardness Changes Shore A Degree |
8 |
|
|
Tensile Strength %≦ |
10 |
|
|||
|
elongation changes %≦ |
20 |
|
|||
|
70℃×96h |
Hardness Changes Shore A Degree |
|
8 |
||
|
T ensile Strength %≦ |
|
10 |
|||
|
E longation Changes% ≦ |
|
20 |
|||
|
8 |
Ozone Aging 50pphm 20% 48h |
2 grade |
0 grade |
||
Rubber waterstop strip characteristics
1. High tensile strength, good waterproof performance and good elasticity.
2. Anti-rust, wear-resistant, aging-resistant, tear-resistant and corrosion-resistant.
3. Adapt to the deformation of concrete.
4. Able to withstand water pressure.
5. The temperature range is -45°C to +60°C.
6. Non-toxic, do not pollute the environment.
7. Can withstand a certain degree of bending and pressure.
8. The unequal thickness structure ensures uniform and reasonable stress on each part of the section.
9. Easy to install.
10. Long service life.
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