This SIKA Fire Rated Joint Filler - Sikasil 670 Fire - Grey - 300ml is a fire rated filler designed to make expansion and caulking joints that adheres to porous and non-porous substrates such as concrete and mortar cement. Specialized in chemicals, Sika is a leader in the development and manufacture of systems and products for bonding, sealing, soundproofing, reinforcement and protection in the construction and automotive industries. Product innovation and excellence in quality and service have been the company's priorities for over 100 years now! Benefits: Fire resistance up to 4 hours according to EN 1366-4 Very good resistance to weathering Movement capacity of 35% (ASTM C 719) Easy application and smoothing Good adhesion to many different substrates Neutral curing Characteristics: Density: ~1.35 kg/l Curing speed: ~2 mm/24 hours (23 C / 50 % RH) Skinning time : ~25 min (23 C / 50 % RH) Set-up time : ~20 min (23 C / 50 % RH) Color : Grey Ref. 582751x12 Packaging: A batch of 12 fire-rated sealants for SIKA joints - Sikasil 670 Fire - Grey - 300mlDelivered in its original packagingCarefully read the instructions before use