Tungsten Carbide Powder Chemical Properties

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Chemical properties of Tungsten Carbide Powder

CAS No :12070-12-1

Formula: CW

EINECS No. :235 -123-0

Tungsten carbide does not dissolve in water, hydrochloric acid and sulfuric acid, soluble in nitric acid - hydrofluoric acid mixture. Pure tungsten carbide is brittle, but if mixed with a small amount of titanium, cobalt and other metals, can reduce brittleness. Tungsten carbide is used as steel cutting tool, often adding titanium carbide, tantalum, or the mixtures of above to improve the antiknock capacity. Chemical stability of tungsten carbide.

In air began active oxidation when above 500 ℃, and antioxidant capacity is weak. Using tungsten anhydride (WO3) and graphite in a reducing atmosphere at 1400 ~ 1600 ℃ to produce tungsten carbide (WC) powder. Then by hot pressing or hot isostatic pressing and sintering can be obtained dense ceramics.

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Tungsten Carbide Powder Picture

Tungsten Carbide Powder

Tungsten carbide powder (WC) is the main raw material for producing cemented carbide, chemical formula WC. The full name is Wolfram Carbide, tungsten carbide powder is black six square crystal, has metallic luster, hardness is similar to diamond, it is a good conductor of electricity and heat.
Tungsten oxide Picture

Tungsten oxide

Tungsten oxide is a tungstic anhydride and a tungstate product. Tungsten oxide is an oxide of tungsten. It is an important intermediate for the preparation of tungsten from tungsten ore. Tungsten oxide can be used to produce chemical products, such as paint and coatings, petroleum industry catalysts, etc.
Tungsten trioxide Picture

Tungsten Trioxide

Tungsten trioxide exists in the form of hydrate in nature, including mineral forms: wolfram (WO3? H2O), water tungsten oxide (WO3.2H2O) and water tungsten oxide. These minerals are rare and very rare secondary tungsten deposits.
Tungsten Concentrates Picture

Tungsten Concentrates

Tungsten is a parent stone element, which mainly exists in the pegmatite and hydrothermal deposits in the form of tungstate; there are about 15 known tungsten ores, of which there are mainly two wolframite and scheelite.