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DOWSIL™ 890-SL Silicone Joint Sealant

A one-part, cold-applied, easy-to-use, self-leveling silicon material that cures to an ultra-low-modulus silicone rubber upon exposure to atmospheric moisture. The cured silicone rubber remains flexible over the entire temperature range expected in pavement applications.


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

  • Adhesion to Masonry, Asphalt, Concrete
  • Application Temperature Range -29 to 49 °C
  • Color Dark Grey
  • Durometer - Shore 00 41 Shore 00
  • Elongation > 1400 %
  • Full Adhesion Time 14 to 21 Days
  • Modulus @ 150% Elongation, maximum 9 psi
  • Movement Capability -50 to 100 %
  • Number of Parts One
  • Primerless Adhesion Primerless
  • Resistance Type Fuel Resistance, Ozone Resistance, Thermal Resistance, UV Resistance, Water Resistance, Jet Fuel Resistance
  • Room Temperature Cure - Days 14 Days
  • Shelf Life 360 Days
  • Solids Content 96 %
  • Specific Gravity @ 25C 1.26 to 1.34
  • Tack-Free Time-50% RH < 300 Minutes
  • 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™ 890-SL Silicone Joint Sealant
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.

DOWSIL™ 890-SL Silicone Joint Sealant

No Regulatory Data Sheets are available for this product

DOWSIL™ 890-SL Silicone Joint Sealant
Please Contact Dow for distribution options available for this product.