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

Dow DOWSIL 7278 Adhesive

Dow DOWSIL 7278 Adhesive is a high-performance silicone-based structural adhesive in the DOWSIL series offering exceptional adhesion to diverse substrates including metals plastics and composites with outstanding thermal stability moisture resistance and low outgassing for demanding aerospace automotive and electronics applications.
  • dow dowsil 7278 adhesive_7ef824b5
  • dow dowsil 7278 adhesive_7ef824b5

Features Of Dow DOWSIL 7278 Adhesive

  1. High-performance silicone adhesive offering excellent adhesion to diverse substrates including glass, aluminum, stainless steel, and painted plastics.

  2. Room-temperature curing with low modulus elasticity, enabling stress relief in dynamic or thermally cycling assemblies.

  3. Outstanding resistance to UV exposure, moisture, and extreme temperatures ranging from –55 °C to +200 °C.

  4. Low VOC formulation compliant with global environmental and occupational health standards.

  5. Non-corrosive and acetoxy-free chemistry, safe for sensitive electronic and optical components.

Typical Applications Of Dow DOWSIL 7278 Adhesive

  1. Automotive lighting assembly, including headlamp and taillamp bonding.

  2. Electronics encapsulation and structural bonding of sensors and control units.

  3. Architectural glazing and façade component attachment in commercial building applications.

  4. Medical device housing assembly requiring biocompatibility-supporting materials and cleanroom compatibility.

  5. Industrial appliance sealing and bonding where thermal stability and long-term durability are critical.

Specifications Of Dow DOWSIL 7278 Adhesive

Chemical TypeAcetoxy-cured silicone polymer
Product FormPaste, single-component
AppearanceOff-white to light gray, homogeneous paste
Primary ApplicationsStructural bonding, sealing, and gasketing in demanding environments
Key FeaturesRTV (Room Temperature Vulcanizing), non-sag, low shrinkage
BenefitsReduced assembly time, no mixing required, excellent gap-filling capability
Cure MechanismMoisture-cured
Shelf Life12 months unopened at 25 °C in original sealed packaging


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