TamPur 100 – Hydrophobic water stop injection foam

TamPur 100 is a single-shot hydrophobic polyurethane based on MDI in combination with polyether polyols and an amine based catalyst. The system only reacts when it comes into contact with water, producing a rigid polyurethane foam.

Key Benefits
  • Variable reaction time
  • High expansion ratio
  • Reacts with saline and mineral water
  • Solvent free, environmentally safe.
  • Good chemical resistance
  • Resistant against biological attack


Typical Applications
  • Sealing high water flow
  • Void filling
  • Back grouting
  • Soil stabilisation
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