Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

DOW DOWSIL 787 Glass and Metal Silicone

DOW DOWSIL 787 Glass and Metal Silicone is a high-performance, neutral-cure silicone sealant from Dow’s DOWSIL™ portfolio. Engineered for durable bonding and sealing on glass, aluminum, and coated metals, it offers excellent adhesion, UV resistance, and weatherability without primers. Ideal for architectural glazing and façade applications.
  • dow dowsil 787 glass and metal silicone_0f019890
  • dow dowsil 787 glass and metal silicone_0f019890

Features Of DOW DOWSIL 787 Glass and Metal Silicone

  1. High-performance neutral-cure silicone sealant specifically formulated for bonding and sealing glass and metal substrates.

  2. Excellent adhesion to clean, non-porous surfaces including anodized aluminum, stainless steel, and float glass—without primer in most cases.

  3. Superior resistance to UV exposure, weathering, and thermal cycling (-40 °C to +150 °C continuous service).

  4. Low modulus formulation provides high elasticity and joint movement capability (±25% movement accommodation).

  5. Non-corrosive, acetoxy-free chemistry ensures compatibility with sensitive metals and architectural finishes.

Typical Applications Of DOW DOWSIL 787 Glass and Metal Silicone

  1. Structural and perimeter glazing systems in commercial curtain walls and façades.

  2. Sealing and bonding of aluminum-framed glass doors, windows, and skylights.

  3. Attachment of metal cladding panels, spandrel units, and decorative metal trim.

  4. Weatherproofing of glass balustrades, railings, and frameless glass assemblies.

  5. Industrial assembly of glass-metals components in transportation and architectural OEM applications.

Specifications Of DOW DOWSIL 787 Glass and Metal Silicone

Chemical TypeNeutral-cure, oxime-based silicone elastomer
Product FormThixotropic paste, single-component
AppearanceOpaque white or clear (depending on variant), smooth uniform consistency
Primary ApplicationsGlass-to-metal and metal-to-metal bonding and sealing
Key FeaturesPrimerless adhesion to many metals and glass; low modulus; UV stable
BenefitsReduced labor cost (no priming required); long-term durability; excellent aesthetics
Curing MechanismMoisture-cured at room temperature
Shelf Life12 months in unopened original packaging at ≤25 °C


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