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    ​​​​MasterSeal 121 - Anti-fungal, sanitary grade silicone sealant


    What is ​MasterSeal 121?

    MasterSeal 121 is a versatile, acetoxy silicone sealant, which cures under influence of humidity to form a durable elastic seal rubber with good bond to the substrate. It is non-slump, with excellent resistance against UV and weather, which can be used in vertical and horizontal joints, in internal and external environments, to provide a long-term, durable, elastic rubber seal. Its special formulation resists the growth of unsightly mold.

    Where can MasterSeal ​​​121 be applied to?

    MasterSeal 121 has been developed to form a durable elastic seal for vertical and horizontal, joints in kitchen, bathrooms, tiling and sanitary ware application. Specially developed acetoxy cure sanitary grade silicone sealant used for different applications including:

    • Top sealing in glazing systems
    • Perimeter joints around timber
    • Aluminum window and doorframes
    • Joints in kitchens and bathrooms

    What are the benefits of Master​Seal 121?

    • Anti-fungal – keeps wet areas hygienic
    • UV resistant and no discoloration – maintains aesthetics in exterior applications
    • Primer less application on most common substrates – saves time and money
    • Excellent UV, weather and water resistance – durable and long service life
    • Range of colors – to match most of the substrate common color requirement

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    Brochure: MasterSeal Sealants

    pdf (3.65 Mb)

    MasterSeal 121: Technical Data Sheet

    pdf (171.53 Kb)


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