Profile: MDC Vacuum Products Corp., Insulator Seal Div. specializes in the production of ceramic to metal seals. We are an ISO 9001:2000 certified company. Our products include electrical feedthroughs, coaxial feedthroughs, thermocouple feedthroughs and power feedthroughs. Our power feedthroughs are used to transmit either high voltage, high current or a combination of both. Our thermocouple feedthroughs are used in applications for in-vacuum temperature measurement.