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