JINGTONG waterstop water swell bentonite strip for concrete jointsBentonite water stop is a kind of water stop of both rubber products characteristics, and the water expansion to the function of water stop on its own. Widely used in civil air defense, such as subway, tunnel, swimming pool, sewage treatment engineering, and other concrete engineering construction joint, expansion joint, crack.
It is designed to seal the opening gap of joints by water absorbing and volumetric swelling.
It shows good swelling properties even when in contact with sea and cement water due to the low swelling rate to prevent concrete cracks caused by swelling pressure.
Excellent physical properties and compression set.