1. Extrusion graphite block 2.PSK.TSK.GSK. 3. Grain size : 0.8 mm. ... pallet . used for chemical metallurgy, electronic industry and textile. etc2. Machine to Electrodes, anodes, cathodes, heating elements, resistors, fluxing/degassing tubes ... , electric conduction material or impermeable graphite heating converters. Extrusion graphite block