PUR-O-STOP FS-L

PUR-O-STOP FS-L

Slowly curing, from rigid to tough elastic, 2K polyurethane resin, which foams up in contact with water.

  • Hybrid system for sealing and solidification
  • Fast curing
  • For restoring of tunnels, shafts, channels or brick work
  • Groundwater friendly approved
  • Stopping of inrushing water
  • Filling and solidification of ground structures (< 1 m3)

Mixture of A and B component

  • Processing temperature 5 – 30 ° C (component temperature)
  • Mixed viscosity (23 ° C) ~ 140 mPas (DIN EN ISO 2555)
  • Mixing ratio A: B 1:1 (parts by volume)

Reaction data at 23 ° C

  • String gel time ~ 90 min (ASTM D7487)
  • with Catalyst ≥ 0:58 min (ASTM D7487)
  • Volumetric expansion factor (ASTM C1643)
  • without water 1
  • with water 1,5 – 3
  • End of foaming ~ 24 h

Properties after curing

  • Bending tensile strength ~ 29 N/mm2 (DIN EN 12390-5)
  • Compressive strength ~ 74 N/mm2 (DIN EN 12390-3)
  • E-modulus ~ 2800 MPa (DIN EN ISO 527)
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