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DOWSIL™ 999A Silicone Glazing Sealant

An easily applied, one-part sealant that cures in the presence of atmospheric moisture to produce a durable and flexible glazing and curtainwall seal.


These values are typical properties and are not intended for use in preparing specifications.

  • Adhesion to Glass, Alodine Aluminum, Heat Strengthened Glass, Low E Coated Glass, Metal, Paint, Aluminum, Steel, Anodized Aluminum, Ceramic
  • Color Aluminum, Black, Bronze, Clear, Custom, White, Light Bronze
  • Cure Type Condensation Cure
  • Durometer - Shore A 25 Shore A
  • Number of Parts One
  • Peel Strength 20 ppi
  • Primerless Adhesion Primerless
  • Resistance Type Ozone Resistance, Thermal Resistance, UV Resistance, Water Resistance
  • Service Temperature High 177 °C
  • Service Temperature Low -60 °C
  • Tear Strength 25 ppi
  • Tensile Strength 325 psi
  • Tooling Required true
  • Volatile Organic Content 40 g/liter
  • Water Resistant true

No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.

No sales specification could be found for this material in selected language

DOWSIL™ 999A Silicone Glazing Sealant
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.

DOWSIL™ 999A Silicone Glazing Sealant

No Regulatory Data Sheets are available for this product

DOWSIL™ 999A Silicone Glazing Sealant
Please Contact Dow for distribution options available for this product.