Rubber waterstop can be divided into natural rubber waterstop, neoprene waterstop,Nitrile Rubber waterstop and EPMD rubber waterstop according to the material. The performance of these 4 kinds of rubber waterstop is differenct.
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The rubber waterstop is mainly used as a solid waterproofing measure at expansion joints and deformation joints in concrete buildings.
The rubber waterstop here is used for its high elasticity, which produces elastic deformation under various loads, thus providing a solid seal and effectively preventing water leakage and seepage in the building structure and playing a shock-absorbing and buffering role.
The following 4 factors can be considered regarding the choice of material for the rubber waterstop:
1. Under normal circumstances, natural rubber water stops are mostly used, and natural rubber water stops are used at -35 to 60 degrees Celsius.
2. Neoprene waterstop is suitable for weak acid, alkali corrosion construction environment, and neoprene waterstop are used at -25-60 degrees Celsius.
3. Nitrile rubber water stops for use in oil-based media construction environments.
4. EPDM rubber waterstop suitable for mould erosion when possible, ozone resistance and weatherproof environment, and EPDM rubber waterstop are used at -40-60 degrees Celsius.
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The choice of rubber waterstop should be based on the importance of the level of the structure, deformation and water pressure, the applicable working environment of the waterstop, economic factors and other conditions to determine a comprehensive consideration. Here we elaborate on how to choose the right rubber waterstop according to the water pressure:
1. When the water pressure is less than 4m and the horizontal and vertical deformation does not exceed 10mm, the width of the rubber waterstop should not be less than 200mm and the thickness should not be less than 5mm.
2. When the water pressure is 4-8m and the horizontal and vertical deformation does not exceed 30mm, the width of the rubber waterstop should not be less than 300mm and the thickness should not be less than 6mm.
3. When the water pressure is greater than 8m, the horizontal and vertical deformation is more than 30mm, the width of the rubber waterstop should not be less than 350mm, and the thickness should not be less than 8mm.
4. When the water pressure is not more than 8m, the horizontal deformation is not more than 20mm, when there is no vertical deformation, the width of the rubber waterstop should not be less than 200mm, and the thickness should not be less than 5mm.
5. In addition, when the structure section size is greater than 500mm, the width of the rubber water stop should not be less than 300mm, when the water stop for bending placed, its turning radius shall not be less than 300mm.
How To Select Rubber Stoppers and Corks shows how to select the appropriate size rubber stoppers and corks for your needs.
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