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

Dow DOWSIL 3-0117 Silicone Insulating Glass Sealant

Dow DOWSIL 3-0117 Silicone Insulating Glass Sealant is a high-performance, neutral-cure silicone sealant engineered for structural glazing and insulating glass unit (IGU) fabrication. It offers exceptional UV resistance, thermal stability, adhesion to glass and aluminum, and long-term durability in demanding architectural applications.
  • dow dowsil 3 0117 silicone insulating glass sealant_e496123c
  • dow dowsil 3 0117 silicone insulating glass sealant_e496123c

Features Of Dow DOWSIL 3-0117 Silicone Insulating Glass Sealant

  1. High-performance, one-component, moisture-curing silicone sealant specifically engineered for structural glazing and insulating glass unit (IGU) secondary sealing.

  2. Excellent adhesion to common IGU substrates including annealed and low-E coated glass, aluminum spacers, and anodized aluminum frames without primer.

  3. Superior UV resistance and long-term weatherability, maintaining elasticity and bond integrity under prolonged exposure to sunlight and temperature cycling.

  4. Low modulus formulation ensures stress relaxation and accommodates thermal and mechanical movement in sealed IGUs.

  5. Meets ASTM C1184 and EN 15434 standards for structural silicone sealants used in insulating glass applications.

Typical Applications Of Dow DOWSIL 3-0117 Silicone Insulating Glass Sealant

  1. Secondary edge sealing of double- and triple-glazed insulating glass units (IGUs) in commercial and residential façades.

  2. Bonding and sealing of IGUs to aluminum, stainless steel, and thermally broken framing systems.

  3. Weatherproof perimeter sealing of IGUs installed in curtain walls, window walls, and storefront systems.

  4. Replacement and retrofit sealing of aged or failed IGU edge seals in building renovation projects.

  5. Use in high-humidity and coastal environments where long-term resistance to moisture ingress and salt exposure is critical.

Specifications Of Dow DOWSIL 3-0117 Silicone Insulating Glass Sealant

Chemical TypeAcetoxy-cure silicone polymer
Product FormThixotropic paste, supplied in 300 mL cartridges and 600 mL sausages
AppearanceOff-white to light gray, homogeneous paste
Primary ApplicationsSecondary sealant for insulating glass units (IGUs)
Key FeaturesPrimerless adhesion, low modulus, UV stable, ASTM C1184 compliant
Shore A Hardness (7 days, 23°C/50% RH)20–25
Tensile Strength (ASTM C1135)≥0.6 MPa
Service Temperature Range−40°C to +150°C


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