DOWSIL™ 890-SL Silicone Joint Sealant


DOWSIL™ 890-SL Silicone Joint Sealant is a one-part, self-levelling silicone material that cures to an ultra-low-modulus silicone rubber upon exposure to atmospheric moisture. The cured silicone rubber remains flexible from -20 to 300°F. Asphaltic paving materials have low tensile strengths. It is important to use an ultra-low modulus material when sealing these substrates to ensure minimal strain is placed on the asphalt joint face.

Product info


  • ASTM D 5893 Type SL
  • FAA P-605 for silicone joint sealants
  • Meets SS-S-200E (section 4.4.12) Flame Test Requirements
  • EN 14187-5 Hydrolysis Test
  • EN 14188-2 Class B
  • C and D

Substrate Type

  • Asphalt
  • Concrete
  • Masonry


Dark Grey

Technical Information

Where to use Interior
Paintable No
Time to cure 14 Days
Time to cure disclaimer on room temperature
Container Type Cartridge, Pail, Drum
Shelf life 360 Days
Sizes 857ml Cartridges, 22.2kg Pail, 246.3kg Drum


Application Instructions

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