Product name: Graphite/expanded graphite/flake graphite/earthy graphite

Colors: black

is a transitional crystal between atomic crystal, metal crystal and molecular crystal. Soft graphite, black gray, greasy, can pollute the paper. The hardness is 1 ~ 2, along the vertical direction with the increase of impurities the hardness can be increased to 3 ~ 5. The specific gravity is 1.9 ~ 2.3. The specific surface area range is concentrated in 1-20m2/g, under the condition of oxygen isolation, its melting point is above 3000℃, is one of the most temperature-resistant minerals. It can conduct electricity and heat.

Natural Graphite Powder

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