Bentonite Waterbar Water Swelling Waterstop Strip Hydrophilic Waterstop for Tunnel

Bentonite Waterbar Water Swelling Waterstop Strip Hydrophilic Waterstop for Tunnel. High Expansion Rate: Expands 150% to 600% upon water contact to seal gaps effectively. Self-Healing Capability: Re-swells upon re-wetting to automatically seal minor cracks or punctures. Customizable Options: Offers full customization for size, color, shape, and expansion ratio. Durable Material: Non-toxic, eco-friendly, and resistant to aging, acid, alkali, and corrosion. Versatile Application: Ideal for tunnels, dams, basements, and concrete deformation joints.