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All Categories > Fire Protection Products > STI Spec Seal > SSC Firestopping Collars  
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SSC Firestopping Collars


The SpecSeal® Firestop Collar is a factory-manufactured device designed to protect plastic pipes penetrating fire-rated walls and floors. Utilizing a heavy gauge galvanized metal collar to house a molded intumescent insert, the SpecSeal® Collar is specifically sized to fit 1-1/2", 2", 3", 4", and 6" trade sized pipes.

This product utilizes STI’s patented two-stage intumescent technology, providing a very responsive and highly directionalized expansion. Expansion is extremely fast, providing quick closure for burning combustible pipes.

When exposed to temperatures in excess of 250°F (121° C), the SpecSeal® Collar’s molded insert begins to expand (intumesce) rapidly to form a dense, highly insulative char. Its free expansion ranges from 16-24 times original (pre-expanded) volume. Expansion continues up to 1,000° F.


Item #

Product Name

Packaging

Unit Quantity

Weight

SSC400.EA SSC 4" Firestop Collar 4" Collar Per Collar NA
SSC600.EA SSC 6" Firestop Collar 6" Collar Per Collar NA

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SSC Firestop Collars MSDS

SSC Firestop Collors Data Sheet