Pure Silicone™

    Bostik Pure Silicone 100% neutral-cure silicone can be used for interior or exterior horizontal and vertical surfaces.

    Key Features

    • Waterproof
    • Permanently flexible
    • Conforms to TCNA Handbook EJ171

    100% Neutral-Cure Silicone

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    Pure Silicone™ sealant is a specially formulated, neutral-cure, 100% silicone sealant for a variety of substrates such as ceramic tile, slate, wood, metal, glass, fiberglass, laminate and plastic. For use as a flexible barrier between horizontal and vertical surfaces or any other changes in plane such as expansion joints in non-traffic areas, fixtures, tub surrounds, sinks, toilets, vanities, electrical plumbing penetrations, floors, walls and ceilings. Pure Silicone™ is designed for use in interior, exterior, intermittent wet and dry installations. Pure Silicone™ has superior elongation and flexibility for use in change of plane joint applications. Pure Silicone™ sealant meets or exceeds the test requirements of:

    • Meets ASTM C-920; Type S; Grade NS; Class 25; Use A, G, I, M, NT, O.
    • Federal Specification TT-SS-0001543A (COM-NBS) Class A, Type NS, Class A, Use G
    • Federal Specification TT-S-00230C (COM-NBS) Type II, Class A, Use G


    Technical Data Sheet

    Safety Data Sheet

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