Tungsten trioxide is yellow powder. Tungsten trioxide insoluble in water, but soluble in lye, slightly soluble in acid. For making high melting point alloy, hard alloy, tungsten and fire prevention of material, etc. But by tungsten mine and soda ash melting of add after acid.
Used for cemented carbide cutting tools and mould manufacturing. Tungsten trioxide also can be used in the manufacture of metal tungsten, pull tungsten bars, preparation of X-ray screen, fireproof fabric, and can be used as colorants of yellow ceramics
In addition to making metal tungsten outside, tungsten trioxide can also be as paint, which used in ceramic and coating, and using infrared non-contact window control system (Smart Windows).
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