... ,aerospace industry,war industry chemical industry,smelt, High density Graphite Block is used in precision tools,aerospace industry,war industry chemical ... products can be made into graphite heater,graphite tool,graphite bearing ,graphite crusible,graphite heating elements for vacuum furnace,graphite heating ... )Φ400-Φ1200 x 300-500, Φ100-Φ550 x 1800 Graphite Block