High Peak

Sikaflex 221 Sealant (Black)


Sikaflex®-221 1-component adhesive sealant

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Sikaflex 221 (Black)

Sikaflex®-221 1-component adhesive sealant

Sikaflex®-221 is a high-quality multi-purpose 1-component polyurethane adhesive / sealant that cures on exposure to atmospheric humidity. It is suitable for internal sealing and simple bonding applications. Sikaflex®-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.

    • High quality polyurethane sealant
    • Bonds metal to metal
    • Fantastic in Marine Applications
    • Remains permanently elastic
    • High Bond Strength
    • Can be Sanded
    • Can be Painted

    Applications for Sika 221 – 300ml Adhesive & Sealant:

    • Works on Aluminium
    • Works on Steel
    • Odorless
    • Non Staining


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