CFC materials Typical Applications Vacuum furnace insulation Inert gas furnace insulation Inert gas atmosphere process equipment insulation Type and Code GT-0301 CFC heater , crucible , Hot zone GT-0302 CFC Plate( sheet) GT-0303 CFC ‘ U’ GT-0304 CFC ‘ L’ GT-0305 CFC ‘ H’ GT-0306 CFC Nuts GT-0307 CFC Bolts GT-0308 CFC Tube GT-0309 CFC Cylinder