... fine particles and is the result of thermal metamorphism of coal, the last stage of coalification. Graphite is a layered ... properties as following: high-temperature resistance, good conductivity of heat and electricity, excellent lubrication, good chemical stability, ... material in common pencils, in steel-making, in brake linings, and in seal rings.SpecificationFixed CarbonSulfurAshV.MGrain Size(90 ...