... Material: Molded,Isostatic,Extruded,Vibrating,Impregnated graphite 2.product quality is steady 1.perfect sealing performance , long service ... 50-2000mm) Rods size : Dia:3—900mm x L: 16-2000mm 7. programmable properties: high thermal and chemical ... resistance , good thermal conductivity , low coefficient of thermal expansion , minimal wettability to molten metals fine/small size ...