Feb. 8, 2023
Two component epoxy system featuring excellent resistance to sterilants, solvents and autoclaving

Key Features

  • Convenient handling
  • Easy to apply
  • Meets ISO 10993-5 specifications
  • Resists repeated autoclaving

Master Bond EP41S-5Med is a two part epoxy system for bonding, sealing and coating, for use in medical devices. It has a forgiving 100 to 25 mix ratio by weight. It cures at room temperature or more rapidly at elevated temperatures, with the optimum being overnight at room temperature followed by 3-4 hours at 150-200°F. EP41S-5Med has stellar resistance to a wide host of sterilants, including those derived from hydrogen peroxide. It also withstands acids, bases, and aggressive solvents. The system has no solvents or diluents, and low shrinkage upon curing.

It bonds well to a wide variety of substrates including metals, composites, glass, ceramics, as well as many rubbers and plastics. This epoxy has very good physical strength properties and electrical insulation values. EP41S-5Med is serviceable over a wide temperature range of -80°F to +450°F. The standard color is black. This epoxy can be used for bonding and sealing in endoscopes, imaging systems, implantable devices, surgical instruments, sterilization chambers, as well as in medical electronics.

Product Advantages

  • Easy to use
  • High glass transition temperature
  • Convenient packaging, available in a gun dispenser
  • Highly resistant to solvents, including ethanol
  • Withstands hydrogen peroxide based sterilants including Steris
  • Meets ISO 10993-5 specifications

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