Water swelling rubber water stop

Not only has ordinary water swelling water stop rubber water stop preventing sealing performance, but also uses a special function in the water line, with a water swelling effect of the special rubber. It can enhance the tightness of water stop and structures, so waterproof, better sealing effect. Water swelling rubber water-stop expansion of the water line portion sizing execution GB18173.3-2002 standard. The rest of the rubber and ordinary rubber water-stop same physical and mechanical properties, execution GB18173.2-2000 standard. Having water swelling sealing material functions. Widely used in air defense, subway, tunnels, sewage treatment works, swimming pool and other concrete construction joint projects, expansion joints. Product Description sealing material having a water-swellable functionality. Widely used in air defense, subway, tunnels, sewage treatment works, swimming pool and other concrete construction joint projects, expansion joints. The classification process is divided according to product type (PZ) and putty-type (PN) two kinds. Its volume expansion coefficient divided PZ-150, PZ-250, PZ-400, PZ-600 and PN-150, PN-220, PN-300 and other models.