PVC WATERSTOPPER DB150 - 1 - Reliable Waterproofing for Concrete Structures

1. Core Features

(1) Premium Material & Stable Performance

• Mechanical strength: Tensile strength ≥12MPa (up to 15.7MPa for high-grade batches), elongation at break ≥300% (up to 340%), and tear strength ≥25kN/m—ensuring resistance to tearing during concrete curing and structural deformation;
• Temperature adaptability: Operating range of -35℃ to 65℃, with a brittle temperature ≤-35℃ , withstanding low-temperature bending without cracking and high-temperature exposure without brittleness;
• Environmental resistance: Water absorption rate ≤0.5% (as low as 0.04% for precision batches) , maintaining stability in long-term humid environments. It resists erosion from acids, alkalis, and salts , suitable for sewage treatment pools and coastal projects;
• Aging durability: After 70℃×72h hot air aging, tensile strength retention ≥83% (≥10MPa) and elongation at break retention ≥240% , ensuring a service life of over 30 years under normal use.

(2) Specialized Dumbbell-Type (DB) Structure

• Central elastic core: A hollow bulbous design that absorbs horizontal/vertical displacement up to 10mm , adapting to minor expansion and settlement in narrow joints;
• Reinforced bonding wings: 4-6mm thick wings (customizable) equipped with anti-skid convex ribs, increasing adhesion to concrete by 30% compared to smooth surfaces and preventing displacement during pouring ;
• Balanced hardness: Shore A hardness of 65-78IRHD , striking a balance between rigidity for easy positioning and flexibility for deformation.

(3) Rigorous Quality Compliance

• Meets ISO/21 CFR 175:300 certification and UL94 V-0 flammability rating, passing microbial erosion tests to avoid mold growth in damp environments like basements;
• Each batch undergoes third-party testing for hardness, tensile strength, and low-temperature flexibility , with a 100% qualification rate;
• Hydrostatic head resistance reaches 10m height , effectively blocking low-to-medium water pressure penetration.

2. Application Scenarios

• Municipal engineering: Underground pipe trench narrow joints, small rainwater collection tank circumferential seams, sidewalk expansion joints, and subway auxiliary structure connections;
• Water conservancy projects: Small irrigation channel joints, farmland water conservancy pond seams, and culvert branch narrow connections;
• Civil construction: Prefabricated interior wall joints, high-rise basement wall/floor narrow seams, retaining wall minor expansion joints, and lift shaft joints;
• Industrial facilities: Workshop floor narrow expansion joints, small storage tank (≤50m³) circumferential seams, and sewage treatment pool edge narrow joints.

3. Installation & Advantages

(1) Efficient Construction & Compatibility

• Easy handling: Flexible texture allows quick cutting with a utility knife and bending for linear, curved, or right-angle joints—no special shaping tools required ;
• Simplified installation: Fixed with lightweight steel bar clamps or template pressing, with the central core aligned to the joint center for optimal displacement absorption ;
• Seamless joints: On-site connections are sealed via hot-melt welding (300W PVC gun) or specialized adhesive, ensuring waterproof integrity and reducing construction time by 25% compared to wider alternatives.

(2) Cost-Effective & Customizable

• Material efficiency: The 150mm width reduces material waste by 40% compared to 240mm-wide waterstops for narrow joints ;
• Low maintenance: Insoluble in water, oils, and common solvents, minimizing long-term repair costs ;
• Flexible customization: Supports thickness adjustment (4-10mm) and roll length customization (20-25m as standard, 12-15m optional) , adapting to project-specific needs.

(3) Reliable Supply & After-Sales

• Packaging & transportation: Packaged in moisture-proof plastic film rolls to avoid sun exposure and rain damage; monthly supply capacity reaches 100,000 meters with 5-7 day delivery lead time ;
• Technical support: Provides free installation guidance and cross-section drawings; offers online technical support for on-site issues ;
• Warranty service: 5-year quality guarantee, with free replacement for non-human-caused material defects .