DOWSIL 999A - Silicone Building & Glazing Sealant | One-part sealant for glazing and curtainwall seal jobs
DOWSIL 999A Silicone Building & Glazing Sealant is intended for general construction. It may be applied as a primary seal to most glass, plastic and metal assemblies if tested and shown to be acceptable for the intended use.
- Resistant to sunlight, rain, sleet, snow, ultraviolet radiation, ozone and temperature extremes
- Retains design properties even after years of exposure – seals remain watertight and weatherproof
- Wide service temperature range from -60 to 177°C (-76 to 350°F) with intermittent temperatures up to 200°C (392°F)
- Composition - One-part acetoxy RTV silicone sealant that cures in the presence of air and moisture.