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Help CenterProduct Type: Water-swellable Sealing Strip 20*30mm, Pn300, High Expansion Rate Sealing Rubber Strip
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The water-swelling waterstop strip is a professional waterproof and sealing material specially designed for building structural gaps, construction joints, and post-casting joints. Manufactured from high-quality modified rubber and polymer water-absorbing resin, this product combines excellent rubber flexibility and superior water-swelling performance, making it a reliable solution to solve seepage and leakage problems in various hydraulic and construction projects. Different from traditional rigid waterproof materials, it adopts a passive waterproof principle, which remains stable in dry conditions and automatically absorbs water to expand when encountering moisture and water penetration.
With a stable and controllable expansion ratio, the strip can fully fill tiny structural gaps and form a dense, compression-sealed waterproof layer. It effectively blocks capillary water, groundwater, and humid air penetration, completely eliminating hidden leakage risks. The finished product features uniform texture, high compactness, and strong structural stability, avoiding abnormal expansion, cracking or deformation during use. It maintains excellent toughness and flexibility in low-temperature environments and will not soften or fail under high-temperature construction conditions, possessing outstanding weather resistance and environmental adaptability.
This waterstop strip boasts strong resistance to aging, oxidation, acid and alkali corrosion. It can adapt to long-term underground humid environments and resist groundwater erosion, ensuring durable waterproof performance consistent with the service life of building structures. The material is non-toxic, odorless and environmentally friendly, complying with international construction environmental protection standards, with no harmful substance volatilization during construction and application. In addition, it has excellent compression resistance and wear resistance, resisting extrusion and friction damage during concrete pouring and vibration construction.
The product features simple and efficient construction with no complex equipment required. It can be freely cut according to on-site construction needs, closely fitting irregular gaps of concrete structures. With reliable adhesion and anti-displacement performance, it will not shift or fall off during concrete pouring, ensuring seamless combination with the building base layer. It supports repeated water swelling and rebound, which can repair secondary seepage caused by structural slight deformation, greatly improving the overall waterproof safety factor of the project.
Widely applicable to basements, tunnels, bridges, subways, municipal water conservancy projects, reservoir dams and other infrastructure, it is suitable for waterproof sealing of all concrete construction joints and structural gaps. Featuring high cost performance, one-time installation achieves long-term waterproof protection, effectively reducing later maintenance and rework costs. It is a necessary and high-quality auxiliary material for modern building waterproof engineering, fully meeting international industrial construction and waterproof technical standards.
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