... Materials 1.Special heating graphite for Industrial Furnaces 2.Vacuum temperature:2200centdegree. carbon Composite Materials :1.The carbon compound ... and bars, crucible, heater, crucible request, conduction current tube, heat preservation tube, boat pan, fastener, electrode. Model Apparent Densityg/cm3Bending ... District, Changsha City,Hunan,China carbon Composite Materials in high temperature