Electronic Products & Technology

Thermally conductive, electrically insulative epoxy bonds, seals

October 2, 2017  Stephen Law

MASTER BOND EP39MAOHT two component, thermally conductive, electrically insulative epoxy can be used for bonding, sealing, coating, potting and encapsulation. The mix ratio is a forgiving one to one by weight, and after mixing, the epoxy flows smoothly. Upon mixing, this lower viscosity system has a relatively long working life. Product will cure at room temperature in 3-5 days. An alternative is to heat cure for 3-4 hours at 150-200∞F. An optimum cure schedule would be overnight at room temperature followed by 3-5 hours at 150-200∞F. Product has very low shrinkage and good dimensional stability upon curing.


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