Toughened, two component epoxy for bonding, sealing and coating

Key Features

  • Convenient handling
  • Excellent adhesive properties
  • Resists thermal cycling
  • High temperature serviceability

Product Description

Master Bond Supreme 11HT-3A is a two component epoxy that is easily processed, with superior bonding and physical properties. The mix ratio is a forgiving 100 to 50 by volume. It cures at room temperature or more rapidly at elevated temperatures. The optimum cure schedule is overnight at room temperature followed by 3-4 hours at 150-200°F. Supreme 11HT-3A is easily mixed and applied and has a conveniently long open time.

Supreme 11HT-3A bonds well to a wide variety of substrates including glass, metals, composites and many plastics. Its service temperature range is -100°F to +400°F. This epoxy does well against many chemicals including water, oils and fuels. It is a reliable electrical insulator. The system is most noteworthy for its ability to withstand thermal cycling and shock. Also, it is readily machineable. The color of Part A is gray and Part B is amber. Supreme 11HT-3A is a viable candidate for a variety of applications in the aerospace, electronic and specialty OEM industries.

Product Advantages

  • Convenient mixing; non-critical ratio 100/50 by weight
  • Versatile cure schedules; ambient temperature cure or faster elevated temperature cures as required
  • Low shrinkage upon curing
  • Good bond strength to a wide variety of substrates
  • Superior ability to withstand thermal cycling
  • Excellent dimensional stabilty




Supreme 11HT-3A is available is various sizes and units to accommodate customer's needs.

Visual Media

Master Bond Supreme 11HT-3A epoxy features high performance properties including thermal cycling and high temperature resistance. This two part system is easy to handle with a convenient mix ratio and a long open time.

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