raphite furnace casting foundry crucible is easy to be oxidized in high temperature and strong oxidation atmosphere. Therefore, strong oxidation atmosphere should be avoided when providing different pyrogens, otherwise it will reduce the use function. Crucible should be checked before the furnace cracks, gaps and other defects.

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Graphite crucible used in

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is often used to melt a small amount of precious metals and high purity metal or high melting point metal and oxide.

graphite production in china graphite products