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

Dow DOWSIL Q3-6611 Adhesive

Dow DOWSIL Q3-6611 Adhesive is a one-part, platinum-cured silicone elastomer offering rapid room-temperature cure, excellent adhesion to plastics/metals/glass, low viscosity for easy dispensing, and outstanding thermal stability (-60°C to 200°C). Ideal for precision bonding and encapsulation in electronics, automotive, and medical devices.
  • dow dowsil q3 6611 adhesive_04e1c7e9
  • dow dowsil q3 6611 adhesive_04e1c7e9

Features Of Dow DOWSIL Q3-6611 Adhesive

  1. High-performance silicone-based adhesive with excellent adhesion to low-surface-energy substrates including plastics, elastomers, and coated metals.

  2. Room-temperature vulcanizing (RTV) formulation enabling rapid fixture strength development without heat curing.

  3. Outstanding resistance to thermal cycling, humidity, and UV exposure for long-term reliability in demanding environments.

  4. Low modulus elasticity provides stress relief in bonded assemblies subject to vibration or thermal expansion mismatch.

  5. Non-corrosive, acetoxy-cure chemistry suitable for sensitive electronic and optical components.

Typical Applications Of Dow DOWSIL Q3-6611 Adhesive

  1. Bonding of LED housings and light guides in automotive and architectural lighting systems.

  2. Sealing and mounting of sensors and control modules in industrial automation equipment.

  3. Assembly of medical device enclosures requiring biocompatibility-compliant adhesion and sterilization resistance.

  4. Attachment of nameplates, trim, and decorative elements on consumer electronics and home appliances.

Specifications Of Dow DOWSIL Q3-6611 Adhesive

Chemical TypeAcetoxy-cure silicone polymer
Product FormThixotropic paste, single-component
AppearanceOpaque white to off-white paste
Primary ApplicationsStructural bonding, sealing, and mounting of non-porous substrates
Key FeaturesRTV cure, low modulus, excellent peel & shear strength
BenefitsNo primer required on many substrates; minimal outgassing; UL 94 HB rated
Cure MechanismMoisture-cured at ambient temperature
Shelf Life12 months unopened at ≤25°C in original packaging


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