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DOWSIL™ 888 Silicone Joint Sealant

Effective for sealing transverse contraction and expansion joints, longitudinal, center line and shoulder joints in Portland Cement Concrete (PCC).


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

  • Adhesion to Masonry, Concrete
  • Application Temperature Range -29 to 49 °C
  • Color Grey
  • Durometer - Shore A 15 Shore A
  • Elongation > 1000 %
  • Full Adhesion Time 14 to 21 Days
  • Modulus @ 150% Elongation, maximum 28 psi
  • 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 7 to 14 Days
  • Shelf Life 360 Days
  • Specific Gravity @ 25C 1.48
  • Tack-Free Time-50% RH 60 Minutes
  • Water Resistant true
  • 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.

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™ 888 Silicone Joint Sealant
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.

DOWSIL™ 888 Silicone Joint Sealant

No Regulatory Data Sheets are available for this product

DOWSIL™ 888 Silicone Joint Sealant
Please Contact Dow for distribution options available for this product.