Waterproof Water Swelling Rubber Chemical Resistant For Large Area

Bentonite Swelling Rubber Sheet Flexible Swellable Mat for Large Area Waterproofing

Product Overview This swellable rubber sheet incorporates bentonite and elastomeric materials for flexible large-area waterproofing, suitable for foundation slabs, subways, and lift wells.

Features Swellable bentonite core inside elastic rubber Flexible to accommodate surface irregularities Applied under slabs and vertical walls Sheet-based application simplifies labor.

Technical Specifications Material: Bentonite + modified SBR rubber Sheet Size: 1m × 5m (or custom) Expansion: 5–8x thickness in contact with water Thickness: 5mm–10mm Tensile Strength: ≥ 2.8 MPa.

Applications Foundation base slab waterproofing Substructure waterproofing membranes Metro station platforms Lift and sump pit lining.

Customization Options Sheet size or roll length Bonded geotextile layer optional Custom logo printing Folded shipping packaging.

Shenzhen Xunzhi Building Materials Industrial Co., Ltd. is an integrated enterprise specializing in design, production, and sales, with many years of experience in manufacturing and technical product development. The company has two subsidiaries: Hong Kong Ruisong Technology Co., Ltd. and Sanya Ruisong Technology Co., Ltd. It is a professional manufacturer of door and window seals, curtain wall seals, and vehicle door sealing strips, providing one-stop rubber sealing solutions to global customers for many years.

We specialize in the production and processing of various sealing and molding products, including PVC (Polyvinyl Chloride), EPDM (Ethylene Propylene Diene Monomer), high-grade thermoplastic rubber (Santoprene), silicone rubber, dual-hardness sealing strips, rigid decorative strips, EVA single- and double-sided adhesive products for doors, windows, and curtain walls, as well as molded parts and plastic-rubber injection components.

The company is equipped with a strict quality assurance system, comprehensive testing procedures, and excellent after-sales service. Our products are highly recognized and praised by industry professionals, and are exported to Europe, America, Southeast Asia, and Hong Kong and Macao regions.