Shenzhen Xunzhi Building Material Industry Co., Ltd.
0 gap sealing rubber strip canbe used for 15 years
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High-Pressure Resistant Swelling Waterstop – Rubber Seal for Deep Foundation Waterproofing
Product Overview This high-pressure water swelling rubber seal is designed to withstand deep foundation and high water column environments. It forms a watertight seal in cold joints, gaps, and casting interfaces.
Features Expands to block high-pressure water Excellent compression recovery Resists soil chemicals and alkali Performs under dynamic joint conditions.
Technical Specifications Material: Modified hydrophilic synthetic rubber Expansion: 150–300% (after 7 days) Pressure.
Resistance: ≥ 0.6 MPa Hardness: Shore A 50–65 Typical Sizes: 20×10mm, 25×8mm Service Temperature: -35°C to +80°C.
Applications Dam and hydropower station joints Foundation slab interfaces Tunnel segment gaskets Water-retaining walls in wet zones.
Customization Options Jointed shapes for corners and angles Integrated with reinforcing mesh Special formula for salty groundwater Color-coded per application.