China jingtong rubber waterstop / bentonite swelling water stop bar
Designation:
hydrophilic expansion water stop strip, is also called water expanding waterstop strip, water swelling bar.
It is made from quality water expanding rubber, can under vulcanization for better performance. It includes PZ type and PN type. We can provide products of 150%-600% volume expansivity.
Application:
It is widely used in air defence swimming pools, sewage solution and treatment project, underground railway, culvert, tunnels etc., in the construction of concrete construction joint, expansion joint and crack, construction site.
-concrete construction joint seepage-proofing
-building elements assembly joint water-proof
-shield method tunnel segment joint water sealing
-slab joint wall cracks water blocking
Feature:
-good performance of water sealing and waterproof
-water expanding and water stopping / blocking
-acid and alkali resistant
-water pressure resistant
-easy installation
Popular size:
15x20mm, 20x30mm, 20x50mm, 50x50mm etc. customized sizes and expansion rate are available, as the needs of project designs.
Standard:
GB/T18 173.3-2002
Technical data: