Sika Boom Fire Rated Expanding Polyurethane Foam 750ml

Sika Boom-420 Fire is a one-part, self-expanding polyurethane foam that restores the fire-resistance performance of floors and walls at linear seals, providing up to 180 minutes fire resistance in accordance with AS 1530.4. Its combi-valve allows both gun and nozzle (straw) application.Features & Benefits Up to 180 minutes fire resistance (AS 1530.4), depending on configuration Combi-valve for gun or nozzle application One-part and ready to use; safety valve for extended shelf life Cured foam can be cut, trimmed and sanded Thermal and acoustic insulation Where to Use Fire-rated linear seals in floors and walls Filling and sealing joints requiring fire protection (interior use) Specifications Chemical base 1-part polyurethane foam Colour Pink Packaging 750 ml canister (gun / nozzle) Tack-free time ~7 min Cutting time ~25 min (gun) / ~40 min (nozzle) Yield ~44 L (gun) / ~30 L (nozzle) Cured density 17 kg/m3 (gun) / 30 kg/m3 (nozzle) Service temperature ?40°C to +80°C Fire rating Up to 180 min (AS 1530.4); ETA 24/0105 Shelf life 12 months StorageStore dry and upright between +10°C and +20°C, protected from direct sunlight.SafetyInterior use only; not UV-stable; not for structural or mechanical fixing. Pressurised canister – keep away from heat and direct sunlight. Pre-dampen the substrate to ensure correct cure. Always confirm certification requirements with the relevant certifying authority before use in a fire-rated application. Refer to the Safety Data Sheet before use.