
Construction Joint Hydrophilic Rubber Swellable Waterstop. Superior Swelling Performance: Expands 2-6 times volume in water, outperforming bentonite in sealing contaminated water. 50+ Years Service Life: Resistant to aging, corrosion, and UV; matches concrete structure lifespan with low maintenance. High Elasticity & Recovery: Vulcanized rubber adapts to settlement and thermal expansion without losing sealing performance. Easy Installation: Lightweight and flexible; fixable with nails or tape, requiring no complex equipment. Wide Application Scope: Suitable for underground, hydraulic, transportation engineering, and industrial buildings. Safe for Drinking Water: Environmentally friendly, non-toxic, and compliant with international environmental standards. Proven Global Export: Exported to 25 countries including USA, Germany, and Australia with 15+ years experience. Cost-Effective Solution: Long service life and low maintenance avoid economic losses from water leakage.