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Grain Size(??m)???43???43???43Coefficient of Thermal Expansion Mm/??C???4.5*10-6???4.5*10-6???4.4*10 3.Application: Graphite crucible Metallurgy, casting, machinery, chemical and other industries, has been widely used for smelting alloy tool steel and smelting of nonferrous metals and their alloys.
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