Electrically Insulative, Toughened Epoxy Meets NASA Low Outgassing Specifications

This two-part, non-drip epoxy system is designed for bonding, sealing and coating applications.

Master Bond

Master Bond (Hackensack, NJ) Supreme 42HT-2ND Black is a two-part, non-drip epoxy system designed for bonding, sealing and coating applications. It is capable of withstanding temperatures up to 450°F (232°C), and provides a glass transition temperature (Tg) of 130-135°C. The material meets NASA low outgassing standards and is recommended for applications that require vacuum compatibility.

Supreme 42HT-2ND Black is electrically insulative with a volume resistivity greater than 1014 ohm-cm. This compound has a Shore D Hardness of 75-85 at 75°F and withstands rigorous thermal cycling. It passed damp heat reliability testing for 1,000 hours at 85°C and 85% relative humidity. It offers a high strength profile, with a tensile strength of 9,000-10,000 psi and a tensile modulus of 300,000-350,000 psi at 75°F.

With a forgiving mix ratio of 100 to 40 by weight or 100 to 50 by volume, this paste consistency material can be easily applied with the use of a gun dispenser or spatula. It cures at ambient temperature in 2-3 days, or faster with the addition of heat. Adding heat not only speeds up the curing process but also optimizes the overall performance properties. Supreme 42HT-2ND Black is available in standard packaging, double barrel cartridges for gun kits, as well as pre-mixed and frozen syringes.

www.masterbond.com/properties/electrically-insulative-adhesive-systems, 201-343-8983

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