ZIRCAR Ceramics’ Fiber-Insulated Heaters, Type FIH, are rigid combinations of high quality resistance wire and vacuum formed ceramic fiber thermal insulation. Fiber-Insulated Heater Type FIH deliver fast, efficient and reliable uniform heat to temperatures of 1100°C (2012°F) with power densities up to 1500 watts/ft².
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ZIRCAR Ceramics’ Fiber-Insulated Heaters, Type RDI, are rigid, high-powered combinations of high-quality resistance wire and ceramic-fiber thermal insulation. RDI heaters are designed to heat furnaces to a maximum temperature of 1300°C (2372°F) with power densities to 2200 w/ft².