Sika Sikaflex-400 Fire Resistant Polyurethane Joint Sealant 600ml [Grey]

Sikaflex-400 Fire is a one-part, moisture-curing, elastic polyurethane joint sealant that provides up to 4 hours fire resistance in accordance with AS 1530.4. With high movement capability and excellent workability, it is designed for fire-rated movement and connection joints on porous and non-porous substrates, indoors and out.Features & Benefits Up to 4 hours fire resistance (AS 1530.4) High movement capability: ±25% (ISO 9047), ±35% (ASTM C719) Excellent workability and easy to tool Good adhesion to a wide range of substrates Long open time; internal and external use Where to Use Fire-rated movement and connection joints Penetrations on porous and non-porous substrates Specifications Chemical base 1-part polyurethane (moisture-curing) Colour Grey Packaging 600 ml foil sausage Movement capability ±25% (ISO 9047) Skinning time ~180 min (23°C / 50% r.h.) Cure rate ~2.5 mm / 24 h Service temperature ?40°C to +70°C Application temperature +5°C to +40°C Density ~1.40 kg/L Fire rating Up to 4 hours (AS 1530.4) Shelf life 12 months StorageStore in original, unopened packaging in dry conditions between +5°C and +35°C.SafetyNot suitable for natural stone, bituminous substrates, natural/EPDM rubber, swimming pools or permanent water immersion. Always confirm certification requirements with the relevant certifying authority before use in a fire-rated application. Refer to the Safety Data Sheet before use.