Food grade epoxy delivers enhanced chemical resistance

MASTER BOND EP42HT-2FG Black two part, moderate heat cured epoxy provides high temperature resistance that complies with FDA 21 CFR 175.105 for indirect food contact applications. Product withstands exposure to a wide range of harsh chemicals, including acids, bases and solvents. It possesses enhanced flow properties and can be employed for bonding, sealing, potting and casting. Compound has a relatively long working life of 105-150 minutes for 100 grams of the mixed material at 75°F. The colour of Part A is black, and Part B is light amber, with a mix ratio of 100 to 30 by weight. Product cures optically opaque and the recommended cure schedule is overnight at room temperature, followed by a heat cure at 150-250°F for 3 to 4 hours. The thermally stable system provides a glass transition temperature of 145-150°C and is serviceable over a wide temperature range from -60°F to 450°F. It has a high tensile strength of 11,000-12,000 psi at room temperature and a tensile modulus of 400,000-450,000 psi.

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