Electronic Products & Technology

Thermally conductive epoxy features low exotherm

August 20, 2020  Stephen Law

MASTER BOND EP29LPAOHT two component, NASA low outgassing approved epoxy system features a long working life of 8-10 hours per 1,000 gram batch. Due to its low exotherm and flowable consistency, product is suitable for specialty potting applications where large masses of the epoxy need to be cured. It can be mixed and poured in volumes of more than a gallon at a time. Even in deep cross section thicknesses, product does not generate much heat. Since the epoxy does not start gelling quickly, it is especially advantageous for use in many production environments that require a long open time after mixing. Product has a 50 to 100 mix ratio by weight and a mixed viscosity of 10,000-30,000 cps. It possesses a high thermal conductivity value of 0.87-1.15 W/(m•K), and is electrically insulative with a volume resistivity of more than 1015 ohm-cm. 

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