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

Dow DOWSIL 3165 Fast Tack RTV Adhesive Sealant

Dow DOWSIL 3165 Fast Tack RTV Adhesive Sealant is a one-component, acetoxy-cure silicone sealant offering rapid initial tack, excellent adhesion to glass, metal, and plastics, and fast room-temperature vulcanization. It provides superior weather resistance, thermal stability from −40°C to 200°C, and low shrinkage—ideal for automotive, electronics, and construction bonding/sealing applications.
  • dow dowsil 3165 fast tack rtv adhesive sealant_9220e507
  • dow dowsil 3165 fast tack rtv adhesive sealant_9220e507

Features Of Dow DOWSIL 3165 Fast Tack RTV Adhesive Sealant

  1. Ultra-fast initial tack development—achieves handling strength in under 10 minutes at room temperature.

  2. One-component, moisture-curing silicone formulation requiring no mixing or priming.

  3. Excellent adhesion to a broad range of substrates including metals, glass, ceramics, and many plastics.

  4. Wide service temperature range from −55 °C to 204 °C after full cure.

  5. Low modulus elasticity provides superior resistance to thermal cycling and mechanical vibration.

Typical Applications Of Dow DOWSIL 3165 Fast Tack RTV Adhesive Sealant

  1. Aerospace component bonding and sealing, including avionics housings and sensor mounts.

  2. Automotive powertrain and lighting assembly where rapid fixture time improves production throughput.

  3. Industrial electronics encapsulation and gasketing for control panels and power modules.

  4. General-purpose industrial maintenance and repair of metal-to-glass or metal-to-ceramic joints.

Specifications Of Dow DOWSIL 3165 Fast Tack RTV Adhesive Sealant

Chemical TypeAcetoxy-cure silicone rubber
Product FormPaste, thixotropic, non-sag
AppearanceOff-white to light tan, uniform paste
Primary ApplicationsBonding, sealing, and gasketing in high-reliability industrial assemblies
Key FeaturesFast tack, room-temperature vulcanization (RTV), no primer required
BenefitsReduced assembly cycle time, excellent long-term environmental stability, low compression set
Cure MechanismMoisture-cured via surface and depth reaction
Shelf Life (unopened)12 months from date of manufacture when stored at ≤25 °C and ≤50% RH


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