Fischer B1 Firestop Expanding Foam Hand 750ML Can 42757

• Hardly flammable, one-component polyurethane foam.
• The foam hardens as a reaction to atmospheric humidity.
• Hardly flammable B1 as per DIN 4102 Part 1.
• Warrington Fire Research tested to BS476 Part 20
• Up to 4 hours fire rating
• General test certificate from building authorities: P-NDS 04-620.
• Pink coloured to differentiate from standard foam.
• Wet base surface if atmospheric humidity is low.
• Shake cartridge before use.
• Foam yield of extruded foam: up to 45 litres.
• Resistance to temperature of hardened foam: -30° C to +80° C.
• Non-tacky after approx. 10 minutes, can be cut after approx. 25 minutes, load-bearing after approx. 3 hours, completely hardened after approx 5 - 8 hours (all details based on temperature of +20° C).