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BASIC INFO
SS621 Silicone Structural Sealant is a one-component, high strength neutral curing silicone sealant designed and tested for structurally glazed curtain wall applications. The material is supplied as a paste, which cures into an extremely tough elastomeric silicone rubber ensuring a durable, flexible, watertight bond upon exposure to atmospheric moisture.
CHARACTERISTICS
● High strength
● Odorless, non-corrosive cure system
● Excellent weatherability and high resistance to ultraviolet radiation, heat and humidity, ozone and temperature extremes
● Remains flexible over a temperature range of -58°F(-50°C) to 302°F(150°C)
● Successfully tested for use in protective glazing applications
● Excellent unprimed adhesion to wide range of substrates including coated, enameled and reflective glasses, anodized and polyester coated or painted aluminum profiles
● Good compatibility with other neutral silicone sealants
● Meets global standards for structural glazing (American, China, Europe)
APPLICATIONS
● Silicone structural glazing in curtain wall; such as factory glazing of unitized curtain wall systems or in field constructed stick curtain wall systems.
● Structural attachment of many panel systems.
● Protective glazing applications.
● Panel stiffener applications.
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