DOWSIL 688 Glazing and Cladding Sealant is a one-part neutral cure, the construction-grade sealant that easily extrudes in any weather. It quickly cures at room temperature by reaction with moisture in the air to form a durable, flexible silicone rubber seal.
Product Features & Benefits:
• Adheres to a wide range of building materials and finishes
• Neutral cure; will not corrode galvanized/zinc-coated steel or attack concrete
• Excellent resistance to weathering, ultra-violet radiation, vibration, moisture, ozone, temperature extremes, airborne pollutants, cleaning detergents and many solvents
• Strong elastic seal capable of withstanding movements up to ± 25% of original joint width
• Good weatherability – it is virtually unaffected by sunlight, rain, snow, ozone or temperature extremes
⚫ Bonds to most common construction materials without use of primer
Applications:
DOWSILTM 688 Glazing and Cladding Sealant is designed for a wide range of glazing, weather sealing and professional caulking applications. It bonds to form a strong weatherproof seal on most common building materials.
Product Properties:
• Excellent unprimed adhesion to most construction materials
⚫ Temperature stability is between -20 to 120 °C
⚫ In general, sealant requires curing time of 7-14 days.
Available Colors: Black, Grey, White and Translucent
Silicone & Sealants
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