... for Industrial Furnaces 2.Vacuum temperature:2200centdegree. carbon carbon composite material1.The carbon compound materal is the basic compound material ... heater, crucible request, conduction current tube, heat preservation tube, boat pan, fastener, electrode. Model Apparent Densityg/cm3Bending Strength Mpa(Kgf/cm2 ... Town,Kaifu District, Changsha City,Hunan,China carbon carbon composite material