Waterproof Material Water Swelling Waterstop Strips for Concrete Seal Joint

Waterproof Material Water Swelling Waterstop Strips for Concrete Seal Joint. Automatic Water Expansion: Expands 2-5 times volume upon water contact to fill gaps and prevent leakage. Reliable Sealing Performance: Maintains water-stopping function even when joint displacement exceeds elastic range. Diverse Expansion Rates: Available in 150%, 250%, 400%, and 600% volume expansion rates. Superior Material Durability: Features excellent resistance to water, chemicals, and aging without elastic fatigue. Wide Application Scope: Ideal for shield tunneling, building deformation joints, and metal-concrete interfaces. ISO Certified Quality: Manufactured with ISO-9001:2015 certification and 100% finished product inspection. Flexible Customization: Supports full customization, minor customization, and design-based customization. Multiple Size Options: Available in various sizes including 10x25mm, 20x30mm, and round profiles up to 30mm.