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  2. DOWSIL™ 939 2-Part IG Sealant Base and Catalyst

DOWSIL™ 939 2-Part IG Sealant Base and Catalyst

Two-part neutral-curing silicone sealant intended for use as a secondary sealant for residential glass units.  It offers excellent unprimed adhesion, simple to operate and incorporate in automated insulating glass line, for enhance productivity.

Uses:

  • Residential insulating glass secondary sealing
  • Air and gas-filled insulating glass units

Benefits:

  • Excellent unprimed adhesion to glass
  • Consistently non-slump, permitting automated glazing
  • Excellent usable life stability
  • Adjustable cure rate ranging from 30 to 50 minutes (as measured by snap time)
  • Non-corrosive by-products

Properties

These values are not intended for use in preparing specifications.

Typical Properties

  • Appearance Yes No Opaque
  • Chemistry Yes No Neutral
  • Cure System Yes No 2-Part Cure
  • Movement Yes No Low
  • Substrate Yes No Non-porous
  • Where Used Yes No Factory
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DOWSIL™ 939 2-Part IG Sealant Base and Catalyst
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DOWSIL™ 939 2-Part IG Sealant Base and Catalyst
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