1. Extrusion graphite block 2.PSK.TSK.GSK. 3. Grain size : 0 ... .8mm MATERIAL: Molded GraphiteCHARACTERISTIC :1.perfect sealing performance , long service life , low maintenance2. high thermal and chemical resistance , good ... elements, resistors, fluxing/degassing tubes, molds, crucibles, special structural parts, etc. in metallurgy, mechanical engineering, chemical & electrochemical industry, energy ...