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DOWSIL™ 791T Weatherproofing Sealant

A premium one-part, easy to use, neutral cure silicone sealant with excellent weatherability and flexibility, and an odorless cure. It is low modulus with outstanding primerless adhesion to a wide variety of porous and non-porous substrates.


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

  • Adhesion to Glass, Masonry, Paint, Stone, Steel, Wood, Brickwork, Ceramic, Concrete
  • Application Temperature Range 5 to 40 °C
  • Color Clear
  • Cure Type Alkoxy Cure
  • Durometer - Shore A 20 Shore A
  • Low Odor true
  • Movement Capability > 50 %
  • Number of Parts One
  • Primerless Adhesion Primerless
  • Resistance Type Ozone Resistance, Thermal Resistance, UV Resistance
  • Specific Gravity @ 25C 1.03
  • Tack-Free Time-50% RH 35 to 50 Minutes
  • Toolable true

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

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DOWSIL™ 791T Weatherproofing Sealant
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.

DOWSIL™ 791T Weatherproofing Sealant

No Regulatory Data Sheets are available for this product

DOWSIL™ 791T Weatherproofing Sealant
Please Contact Dow for distribution options available for this product.