Water-swelling waterstop
Water-swelling waterstop
Material: bentonite
Model: standard size, custom
Application: sealing, water stop
Features: expands when exposed to water
Bentonite waterstop is a hydrophilic waterstop product with unparalleled durability and a water absorption rate of no less than 300%.
Features:
- High quality sodium bentonite and rubber materials
- Has high expansion control ability to maintain material integrity
- Withstands high water pressure
- Easy and quick transportation and installation
- High water absorption and excellent compression sealing


We can make thermoplastic film for your products.
application:
- Water storage facilities and reservoirs
- Construction joints and sheet pile joints
- Tunnels, culverts, dams, tanks and canals
- Precast concrete structures
Product parameters:
- proportion: 1.35±5%
- Hydrocarbon content: 47% (minimum)
- Volatile: 1% (max)
- Permeability, cone temperature 77°F, 150 g, 5 sec: 40 mm ± 5%
- Application temperature: -10°F to 125°F
- Service temperature: -30°F to 180°F