Firebreak 66 Intumescent Pressure Sealant
Firebreak 66 is a one part intumescent acrylic sealant which in fire conditions expands with high pressure to seal openings in fire compartmenting structure when penetrated by plastic pipes, metal pipes with combustible insulation and single or bunched cables.
Firebreak 66 is a halogen-free, polymer emulsion-based sealant designed to maintain the fire resistance of floor and walls when penetrated by plastic pipes and metal pipes with continuous combustible insulation. Under fire conditions the intumescent filler expands to many times its original thickness exerting pressure on the softening pipe and/or insulation closing the opening with a dense block of fire resistant char that restricts the passage of smoke and fire.
Fire testing has been conducted in conjunction with a range of pipe and cable service penetrations through fire compartmenting floors and walls including 100mm thick flexible (plasterboard) partitions.
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