... aerospace industry,war industry chemical industry,smelt, High density Graphite Block is used in precision tools,aerospace industry,war ... made into graphite heater,graphite tool,graphite bearing ,graphite crusible,graphite heating elements for vacuum furnace,graphite heating pipe for vacuum furnace,graphite furnace nail,graphite trestle,graphite tool for ... 1200 x 300-500, Φ100-Φ550 x 1800 Graphite Block