Polyurethane expanding foam Parafoam FR NBS

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Fire retardant polyurethane foam for the filling, sealing and insulating of big irregular gaps and joints, when fire retarding is required. Fire resistant up to 4 hours. Fire-retardant one-component PU gunfoam Fire-resistant up to 240 minutes Good thermal and acoustic insulation CFC- and HCFC- free (ozon friendly) Accurately controlled application with NBS gun High volume - minimal post expansion No hardening behind the safety valve, no intrusion of moisture Cured foam can be cut, sawn, plastered and painted and is resistant against water Type of product - Polyurethane-prepolymer Applications - For filling, sealing and insulating of big irregular gaps and joints when fire retarding is required: Sealing between walls and ceiling and of joints in fire rated walls, Between prefab elements, Filling of fire-proof entrance door and window frames... Excellent adherence on wood, concrete, brickwork, stone, plaster, metals, synthetics such as polystyrene, PU-foam, polyester, PVC, etc. Short description - Fire retardant polyurethane foam for the filling, sealing and insulating. Fire resistant up to 4 hours.