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Product Information
Technical Datasheet
Safety Datasheet


HA SAFEFOAM™ NF is a single component, phthalate free, low viscosity, hydrophilic, polyurethane resin.

After curing HA SAFEFOAM™ NF forms an inert, flexible, close cell foam with very good tensile and adhesion properties. HA SAFEFOAM™ NF can be used as a 2-component system with a 1:1 ratio water for injection into dry cracks.


  • For sealing dry, moving, non-structural cracks as a 2-component system with a 1:1 ratio with water.
  • For sealing moist, moving non-structural cracks as a 1-component system.
  • For sealing water leaks between the joints of concrete tunnel segments.
  • For curtain injections behind tunnel segments.
  • For sealing moving, leaking cracks.
  • Filling of honeycombs below ground water level.
  • For waterproofing man and non-man accessible sewer pipes.
  • For expansion joints or annular joints in combination with oil-free dry oakum or open cell foams.


  • ADR free transport
  • Phthalate free resin, REACH compliant
  • Non-flammable
  • High bond and tensile strength
  • Withstands thermal movement, wet-dry cycles, freezethaw cycles and crack movement without degradation
  • Good all-round chemical resistance