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TamPur 138


TamPur 138 is a single-pack, MDI based, low viscosity polyurethane grouting system. The resin reacts vigorously when it comes into contact with water, producing a semi-flexible polyurethane foam.

Saline and sea water tolerant

Key specification

  • High expansion hydrophobic water stop injection foam

Key benefits

TamPur 138

  • Effective water stopping due to fast reaction
  • Solvent free, environmentally safe
  • Good bond strength to wet substrates
  • Reacts to form a permanently semi-flexible polyurethane foam
  • Saline and sea water tolerant
  • Low viscosity
  • Suitable for applications in potable water areas

Typical applications

  • Sealing against water ingress
  • Sealing against leaking cracks and joints
  • Sealing against water in masonry and brickwork
  • Void filling and stabilisation of fractured structures
  • Back grouting


TamPur 138

TamPur 138 Technical Data Sheet - Global Version Normet Injection Solutions for Water Control and Ground Engineering Brochure

Alternative products

Related processes

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