Adhesives for Automotive Electronics

Adhesives for Automotive Electronic AssemblyIncreased competition, stricter government regulatory requirements and rapidly changing electronic technology has heightened the need for improved polymer formulations. Master Bond has placed a special emphasis on developing compounds offering enhanced serviceability in extreme temperatures, moisture/chemical resistance, durability and superior mechanical strength properties.

Typical Applications for Master Bond Automotive Electronic Compounds

Special epoxy, silicone, polyurethane, polysulfide and UV cure systems have been designed to withstand exposure to harsh automotive environments and are used in:

  • Engine control units
  • Anti-lock brake systems (ABS)
  • Climate controls
  • Transmission control units
  • Navigation systems
  • Vehicle stability control

Properties of Master Bond Adhesives, Sealants, Coating and Potting/Encapsulation Compounds for Automotive Electronics

Research and development has led to the emergence of new formulas offering enhanced resistance to vibration, impact and thermal shock. Specific grades feature:

  • High Tg
  • Low CTE
  • Low stress
  • Thermal conductivity
  • Electrical conductivity
  • Abrasion resistance
  • Fast cures
  • Low outgassing
  • Flame retardancy per UL 94V-0
  • Convenient, easy processing

    Most Popular Adhesive Compounds for Automotive Electronic Applications

    Supreme 11AOHT
    Thermally conductive, electrically insulative epoxy adhesive. High peel and shear strength properties. Resists up to 400°F. Non-drip system.
    EP79FL
    Highly flexible, silver coated/nickel filled epoxy system. T-peel
    >20 pli. Low volume resistivity. High bond strength to similar and dissimilar substrates. Resists exposure to thermal cycling.
    FL901S
    High performance, silver filled epoxy adhesive film system with outstanding electrical and thermal conductivity, superior mechanical strength, convenient handling, good storage stability and fast cures at moderate temperatures.
    Supreme 10HT/S
    Silver filled system with excellent electrical conductivity and high physical strength properties. One part, heat cured (250-300°F) epoxy. Wide range of serviceability from cryogenic temperatures up to 400°F. Meets NASA low outgassing specifications. Can be applied without sagging or dripping, even on vertical surfaces.
    EP21FRNS-2
    Potting, encapsulation, casting compound meets UV 94V-0 flame retardant specifications. Convenient one to one mix ratio by weight. Features a non-halogen filler. Superb flow properties. Outstanding electrical insulation characteristics.

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