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Fine Yellow Tungsten Oxide 369

Fine yellow tungsten oxide or fine tungsten trioxide is prepared by using double salt method. The finer the granular of yellow tungsten oxide is, the smaller the corresponding apparent density is. Fine WO3 is also produced by the reaction between artificial scheelite and hydrochloric acid (HCL). By using double salt method to produce fine tungsten trioxide, white amorphous gel tungstic acid will be formed first if the double salt and HCL react under cold conditions. And the greater the actual…

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Coarse Grain Tungsten Carbide Powder 335

Coarse grain tungsten carbide powder has a spherical appearance, good comprehensive properties such as good fluidity and good wear resistance. It is the important material for preparing the coarse grain tungsten carbide. Characteristic Coarse grain tungsten carbide powder has a spherical appearance, fine acicular eutectic structure inside, microhardness 3200HV, Hall flow rate 6.5s/50g. It has excellent fluidity, good abrasion resistance, etc. Applications Coarse grain tungsten carbide powder is the important material for preparing the coarse grain tungsten carbide. The coarse…

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High Density Active Tungsten Powder 347

High density active tungsten powder is a nano-sized tungsten powder prepared by nanometer-scale technology. The sintering activation energy of the powder is greatly reduced, and the sintering activity is improved. It is an important raw material for producing high-density tungsten materials at lower temperatures. Applications High density active tungsten powder is an important raw material for the preparation of high-density tungsten materials, and its particle size basically determines the properties of high-density tungsten materials. The high density activated tungsten powder…

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Common Tungsten Carbide Powder 384

Common tungsten carbide powder is a dark gray compound powder composed of tungsten and carbon. The tungsten powder and carbon black are used as raw materials which are mixed into a mixture at a certain ratio. Tungsten carbide powder is chemically stable and has hardness similar to that of diamond. It is a good conductor of electricity and heat, which is often used to produce various kinds of tungsten carbides. Preparation The methods for preparing common tungsten carbide can be…

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Spraying Tungsten Carbide Powder 290

Spraying tungsten carbide powder is as an important thermal spraying material with good fluidity and high hardness. Its powder is uniformly spherical. It can meet the requirements of high-performance thermal spraying materials and is widely used in steel industry, petroleum recovery and chemical industry. Characteristic Spraying tungsten carbide powder has good fluidity and high hardness. In addition to the high wear resistance, the formed dense coating also has good corrosion resistance and oxidation resistance. Applications Spraying tungsten carbide powder uses…

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Torispherical Cast Tungsten Carbide Powder 297

Torispherical cast tungsten carbide powder has the advantages of good fluidity, good wear resistance and excellent overall performance. The structure is uniform and dense, which is conducive to surfacing and thermal spraying, so that the coating material has excellent performance. Characteristic Torispherical cast tungsten carbide powder is chemically more stable and has higher hardness than ordinary polygonal tungsten carbide powder. Its microstructure is slender equiaxial branches, without hypereutectic and hypoeutectic. When used, there is no stress concentration and microcrack, no…

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Tungsten Carbide Cobalt Composite Powder 298

Tungsten carbide cobalt composite powder is the main raw material for the preparation of high-performance tungsten carbides and wear-resistant coatings. It can be applied to composite materials and can be prepared by solid phase synthesis. Applications Tungsten carbide cobalt composite powder used as wear-resistant coating material shows very good effect, rapid melting and rapid cooling of thermal spraying technology of preparation of coatings, the nano structure characteristics of the powder to maintain, thus improve the performance of the tungsten carbide…

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Cobalt Coated Tungsten Carbide Powder 304

Cobalt coated tungsten carbide powder is tungsten carbide powder as the core, and it is coated with a layer of metallic cobalt evenly around it. It is a kind of composite powder material used for plasma and explosive spraying process. It is widely used in surface spraying of components in special environments such as aerospace, aviation and metallurgy. Applications In the special environment of aerospace, aviation and metallurgical industries, cobalt coated tungsten carbide powder is used to spray the surface…

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Zinc Tungstate 198

Zinc tungstate is a type of white powder or crystalline solid with the chemical formula of ZnWO4, molecular weight of 313.22, and CAS No. of 13597-56-3. It is stable under room temperature and pressure. Zinc tungstate is generally available in most volumes. Ultra high purity, high purity, submicron and nanopowder forms may be considered. As an important inorganic material, it is widely applied in optics, phonics and magnetic. The ZnWO4 has the nano structure of auer, grain and flakes. And…

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Ammonium Tetrathiotungstate 234

Ammonium tetrathiotungstate is insoluble in water. Its CAS No. is 13862-78-7, the chemical formula of H8N2S4W or (NH4) 2WS4, molecular weight of 348.18, and the relative density of 2.71g/mL at 25°C. Application It is applied to classic building block for transition metal sulfide cluster compounds and is recently used in a low-temperature, solid state synthesis of a new series of heterometallic sulfide clusters stabilized with dppm ligands. Producing Method Ammonium tetrathiotungstate can be prepared by reaction of tungstate and ammonium…

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