10mm Thick Preformed Hydrophilic Swelling Waterstop for Concrete Joint Waterproof

10mm Thick Preformed Hydrophilic Swelling Waterstop for Concrete Joint Waterproof. Self-Healing Waterproofing: Automatically repairs micro-cracks via secondary swelling to maintain long-term sealing integrity. High Expansion Rate: Expands 150% to 600% upon water contact to form a dense, impervious gel barrier. Easy Self-Adhesive Installation: No heavy equipment needed; simply clean surface and adhere or embed into joints. Customizable Colors: Available in Black, Red, Blue, or fully customized color options. Corrosion and Aging Resistant: Composed of inorganic bentonite and rubber for excellent durability and slow degradation. High Water Pressure Resistance: Resists static water pressure above 0.6 MPa through generated expansion pressure. Non-Toxic and Eco-Friendly: Made from natural minerals and non-toxic polymers with no harmful substances.