Sealant - Self-Seal® Intumescent Silicone Firestop Collar Ring Type-SSC 4IN 10/PK

Self-Seal® Type-SSC is a pre-fabricated collar designed to seal combustible pipe penetrations in fire-rated walls and floors The galvanized metal collar houses a moulded silicone rubber intumescent ring The silicone composition exhibits excellent performance stability, and when exposed to temperatures above 150°C (300°F), it will begin to expand As the pipe softens and collapses under fire conditions, the silicone composition will rapidly intumesce to fill the void with a patented char composite that contains expanded graphite