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It can be applied as additive and abrasive material of plate glass in glass industry. At present, its applicable scope has been enlarged and it can be applied as abrasion of ophthalmic glass, optical lens and kinescope, playing the roll of discoloration, clarification and absorption of ultraviolet rays and electronic rays of glass. In addition, it can be used as antireflection material for glass lens, penetrant of piezoelectric ceramics in ceramic glazing and electronic industry. It can also be applied to manufacture high activity activators, gas mantle of gas lamp and fluorescent screen for X-ray use.
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