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

Dow DOWSIL 7406-VLO Adhesive

Dow DOWSIL 7406-VLO Adhesive is a low-odor, addition-cure silicone adhesive sealant offering excellent adhesion to plastics, metals, and glass. It provides fast tack-free time, high elasticity, and stable performance across wide temperature ranges. Ideal for automotive, electronics, and appliance assembly where VOC compliance and processing efficiency are critical.
  • dow dowsil 7406 vlo adhesive_57466ba9
  • dow dowsil 7406 vlo adhesive_57466ba9

Features Of Dow DOWSIL 7406-VLO Adhesive

  1. Ultra-low outgassing formulation designed for high-vacuum and space-grade environments.

  2. Room-temperature vulcanizing (RTV) silicone adhesive with excellent adhesion to glass, metals, and engineered plastics.

  3. Outstanding thermal stability across –55 °C to +200 °C continuous service range.

  4. Meets NASA ASTM E595 low outgassing requirements (CVCM ≤ 0.10%, TML ≤ 1.00%).

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

Typical Applications Of Dow DOWSIL 7406-VLO Adhesive

  1. Satellite and spacecraft component bonding and potting in vacuum environments.

  2. Sealing and mounting of infrared sensors, laser diodes, and optical housings.

  3. Adhesive bonding of MEMS devices and precision instrumentation requiring minimal volatile emissions.

  4. Encapsulation of high-reliability aerospace electronics and avionics modules.

  5. Assembly of vacuum chamber components and ultra-high-purity analytical equipment.

Specifications Of Dow DOWSIL 7406-VLO Adhesive

Chemical TypeRoom-Temperature Vulcanizing (RTV) Silicone Adhesive
Product FormPaste, thixotropic, single-component
AppearanceOff-white to light gray, uniform paste
Primary ApplicationsHigh-vacuum bonding, space-grade sealing, optical & sensor assembly
Key FeaturesUltra-low outgassing, RTV cure, non-corrosive, excellent thermal cycling resistance
BenefitsMinimizes contamination in sensitive systems; eliminates need for post-cure degassing
Cure MechanismMoisture-cure (ambient humidity)
Shelf Life (unopened, 25 °C)12 months in original sealed container


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