Water-swelling sealing ring (sheet) is a new product recommended by our company after repeated experiments for the concrete formwork tie bolt project. The water-swelling rubber tie bolt sealing ring is a new type of waterproof engineering material. It can absorb water and swell upon contact with water, sealing the gaps between the concrete and the tie bolt through its own expansion, effectively preventing water leakage. In actual construction, it is flexible and convenient to operate, saving labor and time. It is an upgraded product of welded water stop plates (rings). Currently, the concrete formwork tie bolt sealing ring has been applied in various projects. The water-swelling sealing ring is made of water-swelling rubber, and its performance meets the indicators in GB/T18173-2002 "Polymeric Waterproof Materials" Part 3, which pertains to water-swelling rubber. When in use, simply fit the sealing ring tightly onto the tie bolt or bar-type tie rod.
Water-swelling sealing ring
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The main performance indicators of the water-swelling water stop strip produced by our company have been tested and qualified by the National Building Materials Testing Center and the Beijing Building Materials Science Research and Testing Institute, and have reached the performance of similar foreign products. This product is a chemical building waterproof material made from more than a dozen materials, including high-grade water-absorbing materials and rubber, mainly aimed at solving the problem of water leakage in construction joints of underground concrete.
The water-swelling waterproof strip is widely used in deformation joints, construction joints, waterproof sealing of penetrating pipelines in civil engineering structures, joints of reinforced concrete in shield tunneling, waterproof sealing gaskets, interface materials for pipe jacking projects, sealing of interface for underground pipelines in open-cut box culverts, and waterproof sealing in hydraulic and hydropower engineering, as well as in waterway civil engineering.
The steel edge rubber water stop (also known as: steel edge water stop) is a rubber water stop with a non-uniform thickness structure in its cross-section. The steel edge water stop is divided into a strong area and a waterproof area. Installation holes are added to the steel plate of the water stop and connected to the rebar, making it difficult to displace after being fixed, ensuring that the stress on each part is uniform and reasonable. It has characteristics such as high strength, good elasticity, easy fixation (can be welded to the rebar for fixation), and strong bonding with concrete. However, it has a small elongation rate and poor resistance to bending deformation, making it unsuitable for areas with frequent changes in joint width.
Rubber water stop is made using the high elasticity and good compressive deformation of rubber, as well as its high tear strength and tensile strength, to produce elastic deformation under various loads without tearing or breaking, thus serving the purpose of securing seals, preventing seepage, and preventing leaks.
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