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It is mainly is use for manufacturing microwave-use magnetism material and important military industrial material??monocrystal; and also in use for optics glass, porcelain material addition agent, high light phosphor powder for large screen TV and other kinescope dope. It can also be used for production of pellicle capacitor and special-type fireproof material as well as magnetic bubble materials for high-pressured mercury lights, laser & deposited elements and so on.
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