Polyurethane resin PUR-O-STOP FS-L

sealingtwo-component

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 (substrate temperature) Viscosity of mixture (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 wate 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)