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DOWSIL™ 993N-HE Structural Sealant Base and Catalyst

A two-part silicone formulation. As supplied, the base is a smooth, white paste and the curing agent is a viscous paste available in black. Once catalyzed, the material cures to a high-modulus, flexible silicone rubber that is flexible for use in structural and/or weatherseal applications.

Properties

These values are not intended for use in preparing specifications.

Typical Properties

  • Adhesion to Yes No Alodine Aluminum, Anodized Aluminum, Glass
  • Appearance Yes No Opaque
  • Chemistry Yes No Neutral
  • Color - Part A Yes No White
  • Color - Part B Yes No Black, Grey
  • Cure System Yes No 2-Part Cure
  • Durometer - Shore A Yes No 40 Shore A
  • Elongation Yes No 375 %
  • Flow/Sag (Slump) Yes No < 5.1 mm
  • Movement Yes No Low
  • Number of Parts Yes No Two
  • Shelf Life Yes No 420 Days
  • Special Features Yes No High Extrusion
  • Specific Gravity Yes No 1.34
  • Substrate Yes No Non-porous
  • Tear Strength Yes No 4200 ppi
  • Tensile Strength Yes No 170 psi
  • Volatile Organic Content Yes No < 3 g/liter
  • Where Used Yes No Factory
  • Working Time Yes No 20 to 60 Minutes

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DOWSIL™ 993N-HE Structural Sealant Base and Catalyst
No Technical Data Sheets are available online for this material.
Please Contact Dow for additional information.

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DOWSIL™ 993N-HE Structural Sealant Base and Catalyst
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