VANDEX EXPASEAL W is a reversible swelling thermoplastic elastomer that is made up of a hydrophilic acrylate-based swelling component incorporated in a butylene copolymer-based thermoplastic elastomer. VANDEX EXPASEAL W swells up to 900 percent in volume when exposed to water. The swelling effect causes VANDEX EXPASEAL W to swell in the joints, occupying all voids and stopping the flow of water.
Applications :
Construction joints and pipe inlets in concrete structures subjected to permanent or temporary hydrostatic pressure are waterproofed with VANDEX EXPASEAL W.
Features & Benefits :
- Expanding waterstop for construction joints
- Highly flexible, easy application
- Resistant to water pressure up to 2.0 bar
- Also suitable for zones with tidal water movement
- Suitable for contact with sea water
- Temporary swelling protection in case of premature water contact
- Swelling process is reversible
