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Graphite is a Allotropy of carbon. It is a gray black, opaque solid, with stable chemical properties, corrosion resistance, and is not easy to react with acid, alkali and other agents. It burns in oxygen to produce carbon dioxide, which can be oxidized by strong oxidants such as concentrated nitric acid, Potassium permanganate, etc. It can be used as an anti-wear agent and lubricant, high-purity graphite can be used as a Neutron moderator in atomic reactors, and can also be used to manufacture crucibles, electrodes, brushes, Dry cell, graphite fibers, heat exchangers, coolers, electric arc furnaces, Arc lamp, pencil refills, etc.