【Know Tungsten】Bismuth Phosphotungstate

bismuth phosphotungstate image

Bismuth phosphotungstate is a bismuth salt of phosphotungstic acid, as a catalyst with green powder, chemical formula of BiPW12O40, generated by metathesis and microwave solid-phase synthesis method from phosphotungstic acid and bismuth trichloride.

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【Know Tungsten】Tungsten Oxide Photocatalyst

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Tungsten oxide photocatalyst mainly use WO3 as raw material, it can be applied in air purification, anti-fog and self cleaning, anti-baterial.

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【Know Tungsten】Nano Tungsten Trioxide Property

nano tungsten trioxide property image

Nano tungsten trioxide is tungsten trioxide with grain size less than 100nm, it has larger specific surface area and can be produced by solid phase reaction method, it has strong magnetic absorption ability, catalytic property and gas sensitivity.

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【Know Tungsten】Ammonium Paratungstate Decomposition

ammonium paratungstate decomposition image

Ammonium paratungstate (APT) can produce ammonium metatungstate, yellow tungsten oxide and blue tungsten oxide by thermal decomposition.

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【Know Tungsten】Manufacturing Process of Gold Bar & Gold Plated Tungsten Bar

gold plated tungsten bar manufacturing process picture

Although gold plated tungsten bar can be regarded as gold substitution, their manufacturer processes are quite different.

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【Know Tungsten】Tungsten Oxide Composite Powder

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The tungsten oxide composite powder is a mixture of different kinds of tungsten oxide powder, in which each particle is composed of two or more different chemical components to achieve a uniform degree of mixing at the particle level.

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【Know Tungsten】Tungsten Trioxide Applications

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Tungsten trioxide’s chemical formula is WO3. Some of the applications of WO3 are shown as bellow.

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【Know Tungsten】Sintering Shrinkage of Tungsten Carbide

sintering shrinkage of tungsten carbide image
Sintering Shrinkage of Tungsten Carbide
When sintering, the tungsten carbide press will produce obvious contraction, which is the sintering densification of tungsten carbide.

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【Know Tungsten】Tungsten Copper Hot Pressing Sintered

tungsten copper thot pressing sinterred picture

Tungsten copper hot pressing sintered process of cold pressing method blank - vacuum sintering - canned hot extrusion. Because tungsten copper composite material has excellent electrical and mechanical properties, as electrical contacts, the discharge electrodes and electronic packaging materials are widely used in electrical and electronic fields.

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【Know Tungsten】Ammonium Metatungstate Producing Method

ammonium metatungstate producing method image

Ammonium metatungstate producing method (AMT) can be divided into two categories of solid and liquid phase transformation, the specific methods are thermal degradation, liquid - liquid extraction, ion exchange, electrodialysis, neutralization, acid hydrolysis alcohol precipitation method ect..

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