Executive Summary
Superior electrical insulation, heat resistance, and dielectric properties make Bulk Molding Compound (BMC) and Sheet Molding Compound (SMC) an excellent choice for insulating components of switch gear, circuit breakers, stand-off insulators, and motor brush holders.
Thermoset compounds maintain both physical and electrical properties under mechanical loads during prolonged exposure to elevated temperatures. Often, parts molded from plastic materials will carbonize or melt during exposure to electrical arcing or tracking. However, thermoset materials demonstrate minimal effects in these situations and offer excellent thermal properties, making BMC and SMC molding compounds an ideal choice to protect sensitive electrical output devices operating in high-temperature environments.
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