SS721 Big Glass Structural Glazing Sealan

DESCRIPTION SS721 Big Glass Silicone Structural Glazing Sealant is a translucent one-component, high strength acetoxy curing silicone sealant designed and tested for big glass 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 SS721 Big Glass Silicone Structural Glazing Sealant belongs to RTV-1 product; Acetoxy cure, high tensile strength, fast curing, Translucent, no change of color; Excellent adhesion to glass and ceramics; Excellent resistance to weather, the life is 50 years under usual weather; Excellent resistance to low and high temperature change. Little change in physical properties between -40150. APPLICATIONS Glazing; Sealing in glass joints; Structural glazing in glass curtain wall; Structural glazing in big glass and glass roof structural engineering; TYPICAL PROPERTIES Property Result Test method As SuppliedColor translucent Tack free time(23°C/73°F, 50% RH) 35 minutes ASTM C679 Curing Time 23ºC (73ºF) at 50% RH 7-14 days Full Adhesion14-21 days Flow, Sag or Slump 0.1 inches max ASTM D2202 Working Time 10-20 minutes Specific Gravity 1.02 As CuredDurometer Hardness, Shore A 32 ASTM D2240 Ultimate Tensile Strength 0.72MPa ASTM C1135 Ultimate Elongation 126% ASTM C1135 Tensile at 25% Elongation0.35MPa ASTM C1184 Tensile at 50% Elongation 0.55MPa ASTM C1184 Joint Movement Capability ±12.5% ASTM C719 Specifications: Typical property data values should not be used as specifications. Assistance with specifications are available by contacting Guangzhou Baiyun Chemical Industry CO., LTD.