... Materials 1.Special heating graphite for Industrial Furnaces 2.Vacuum temperature:2200centdegree. carbon Composite Materials :1.The carbon compound materal ... tower electric muffle furnace necessary plate, rods and bars, crucible, heater, crucible request, conduction current tube, heat preservation tube, boat pan ... Kaifu District, Changsha City,Hunan,China carbon Composite Materials in high temperature