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DOWSIL™ 983 Structural Glazing Sealant Base and Curing Agent

Designed for specialized use where dual structural and weatherseal applications are desired for factory glazing and curtainwall production. Once cured, this structural sealant forms a durable, flexible, watertight bond that can be warranted for 20 years and used in ±25% movement weatherseal applications. It has excellent unprimed adhesion to glass, alodine, and anodized aluminum1, although DOWSIL™ Primer-C OS is recommended for fast and consistent adhesion, especially to high-performance substrates approved for architectural structural glazing applications.

Properties

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

  • Adhesion to Enamelled and Reflective Glass, Fluorocarbon Coated Aluminum, Glass, Alodine Aluminum, Heat Strengthened Glass, Low E Coated Glass, Metal, Metal Panels, Paint, Aluminum, Polyester Powder Coated Aluminum/Steel, Stainless Steel, Anodized Aluminum
  • Cure Type Neutral Cure
  • Durometer - Shore A 43 Shore A
  • Elongation 219 %
  • Flow/Sag (Slump) < 5.1 mm
  • Number of Parts Two
  • Primerless Adhesion Primerless
  • Specific Gravity @ 25C 1.38
  • Tear Strength 55 ppi
  • Tensile Strength 228 psi
  • Volatile Organic Content 4 g/liter
  • Working Time 20 to 40 Minutes
  • DOWSIL™ Primer-C
    A solventbased silane adhesion promoter for use in construction applications for painted surfaces.

  • DOWSIL™ 795 Silicone Building Sealant
    A one-part, cold-applied, non-sagging silicone material that cures to a medium modulus silicone rubber upon exposure to atmospheric moisture.

  • DOWSIL™ 791 Weatherproofing Sealant
    A one-part, medium-modulus, elastomeric sealant designed for general weathersealing. It is a silicone formulation that cures to a flexible and curable silicone rubber building joint seal.

  • DOWSIL™ 790 Silicone Building Sealant
    A one-part silicone formulation that cures in the presence of atmospheric moisture to produce a durable, fire-resistant, flexible and ultra-low-modulus silicone rubber building joint seal.

  • DOWSIL™ Contractors Weatherproofing Sealant
    A one-part, moisture cure, medium modulus sealant that provides durable, flexible, watertight joints and offers outstanding unprimed adhesion to most non-porous substrates. It is specifically developed for sealing dynamically moving joints.

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DOWSIL™ 983 Structural Glazing Sealant Base and Curing Agent
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DOWSIL™ 983 Structural Glazing Sealant Base and Curing Agent


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DOWSIL™ 983 Structural Glazing Sealant Base and Curing Agent
Please Contact Dow for distribution options available for this product.