STI® SSC600 Intumescent Firestop Collar, For Use with Plastic Pipe, Galvanized Steel

STI® SpecSeal® Firestop Collar, Series: SSC, For Pipe Size: 6 in, For Use With: 6 in Trade Size Plastic Pipe, Fire Rating: 3 hr, Silver, Galvanized Steel. SpecSeal® SSC firestop collars are factory-manufactured firestop devices sized to plastic pipes of up to 6 in trade size. SSC collars consist of a restraining collar with a factory applied intumescent ensuring the correct amount of material is applied every time. under fire exposure, SSC collars quickly expand and collapse combustible piping forming a dense char, resisting the passage of smoke and flame.