Graphite block is excellent in extreme high-temperature resistance, toughness, thermal conductivity and low resistivity. graphite block,graphite material,graphite ,ultrafine grain graphite ultrafine grain graphite with the average granulity 16μm.1.high-temperature resistance2.toughness, thermal conductivity 3.low resistivity. 4.colored metal and lanthanon metal smelting, 5.heat up appliance, ...