PVC WATERSTOPPER KW160-1 - High - Quality Waterproof Solution for Concrete Joints

1. Core Features

• Premium Material PerformanceAdopts high-quality flexible PVC composite, achieving a tensile strength of ≥10MPa and elongation at break of ≥250%—fully complying with GB/T 18173.2-2014 Polymer Waterproof Materials - Part 2: Waterstops. It retains excellent elasticity across -35℃ to 60℃, withstanding -20℃ low-temperature bending without cracking and high-temperature exposure without brittleness. The water absorption rate is ≤0.5%, ensuring stable performance in long-term humid environments, and it resists erosion from weak acids (pH 4-9), alkalis, and municipal sewage, avoiding material degradation in corrosive settings.
• Specialized K-W Type StructureThe 160mm narrow width optimizes space efficiency for tight joints (e.g., prefabricated small components, narrow basement walls), eliminating material waste. The K-shaped outer frame enhances lateral shear resistance to withstand horizontal displacement up to 10mm; the W-shaped middle layer (wave-like structure) boosts longitudinal tensile capacity to adapt to minor vertical settlement. The 5-6mm thin wings (customizable) feature anti-skid convex ribs, increasing bonding force with concrete by 25% compared to smooth surfaces and preventing displacement during pouring.
• Rigorous Performance ComplianceShore A hardness measures 65±5, balancing rigidity for easy installation and flexibility for deformation. After 72 hours of hot air aging at 100℃, tensile strength retention exceeds 80%, ensuring long-term durability. It meets the V-0 flammability rating (UL94 standard) and passes microbial erosion tests, avoiding mold growth in damp conditions. All indicators fully align with industry waterproofing engineering standards.

2. Application Scenarios

• Civil construction: Prefabricated interior wall connections, narrow basement wall joints, small retaining wall expansion seams, and balcony edge waterproof joints;
• Municipal engineering: Underground pipe trench narrow joints, small rainwater collection tank seams, sidewalk narrow expansion joints, and sewage lifting station internal small joints;
• Light industrial facilities: Small equipment foundation waterproof joints, workshop narrow floor expansion joints, and mini-storage tank (≤30m³) circumferential seams;
• Water conservancy accessories: Small irrigation channel narrow joints, farmland water conservancy small pond seams, and culvert branch narrow connections.

3. Installation and Advantages

• Efficient, Space-Saving ConstructionThe narrow width and flexible texture allow easy cutting and bending for linear, curved, or corner joints in tight spaces—no special tools required. Installation uses lightweight steel bar clamps or template pressing (no heavy brackets needed); on-site joints are sealed with hot welding (200W mini PVC welding gun) or specialized adhesive, ensuring waterproof system integrity. It is highly compatible with narrow-joint concrete pouring, reducing construction time by 15-20% compared to wider waterstops.
• Cost-Effective DurabilityInsoluble in water, oils, and common solvents, the product maintains stable waterproof performance for over 30 years under normal use, minimizing long-term maintenance costs. The 160mm width reduces material usage by 30% compared to 240mm-wide waterstops for narrow joints, lowering waste and achieving 20-25% higher cost-effectiveness.
• Reliable Quality AssuranceEach batch undergoes third-party testing for tensile strength, low-temperature flexibility, and corrosion resistance (100% qualification rate). Finished products are packaged in 25m rolls (customizable) with moisture-proof film, facilitating transportation and on-site storage in small spaces. It fully meets the acceptance requirements of GB 50208-2022 Code for Acceptance of Construction Quality of Building Waterproofing Engineering.