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Fine Crystalline Tungsten Carbide Powder 390

Fine crystalline tungsten carbide powder has stable chemical properties, and hardness is similar to that of diamond, which is a good conductor of electricity and heat. It is wear-resistant, corrosion-resistant, and high-temperature resistant. It is the main raw material for producing fine-grained carbide. Applications Fine-grain tungsten carbide powder is the main raw material for producing fine-grained hard alloys. Ultrafine grained tungsten carbide is tungsten carbide with a grain size of tungsten carbide less than 1μm. It has higher hardness, strength,…

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Spherical Metal Tungsten Powder 416

Spherical metal tungsten powder has good fluidity, and is mainly used as a diamond drill bit for petroleum drilling and a raw material for petroleum perforating bullets. It can be prepared by a plasma spheroidization method. Characteristic The appearance of spherical metal tungsten powder is steel gray powder, which is polyhedron, powder is nearly spherical, has good fluidity, high purity and low oxygen content. Applications Tungsten metal tungsten powder is mainly used as diamond drill bit for oil drilling (as…

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Micron Tungsten Carbide Cobalt Composite Powder 401

Micron tungsten carbide cobalt composite powder has uniform element distribution, fine powder particle size, narrow particle size distribution, etc. The average particle size of the powder is 50~150nm. It is widely used in the manufacture of superfine/nanocrystalline tungsten carbide tools and surface strengthening materials. Properties The physical properties of micron tungsten carbide cobalt composite powder are very different from those of conventional powders. The non-metallic tungsten carbide phase and metal cobalt phase constitute a composite structure, not a simple mixture;…

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Nano Tungsten Carbide Cobalt Composite Powder 388

The commonly used ratio of nano tungsten carbide cobalt composite powder is 90/10, 94/6, purity is more than 99%, average particle size is 50nm, free carbon is less than 0.09%, oxygen content is less than 0.25%, remaining impurities content is less than 0.4%. It has excellent wear resistance and can be used as an abrasion resistant coating material and as a raw material for various cutting tools. The nano tungsten carbide cobalt composite powder has excellent effects as an abrasion-resistant…

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Cobalt Tungsten Carbide Composite Powder 411

Cobalt tungsten carbide composite powder has good wear resistance, high temperature resistance and corrosion resistance, which is a coating material with excellent wear resistance at low and middle temperatures. Preparation Cobalt and tungsten carbide have good wettability. By using good high-temperature properties of cobalt, toughness, and good combination with other metals, cobalt and tungsten carbide are combined to prepare cobalt tungsten carbide composite powder, which becomes a coating material with excellent abrasion resistance at moderate to low temperatures. Applications Cobalt…

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Tungsten Carbide Cobalt Metal Ceramic Composite Powder 411

Tungsten carbide cobalt metal ceramic composite powder has wear resistance and good high temperature stability, which is the best wear-resistant material in medium and low temperature (450°C~550°C) environment. As an advanced coating material, tungsten carbide cobalt metal ceramic composite powder have been widely used in many industrial fields and industries such as aerospace, chemical machinery, iron and steel metallurgy, paper printing, and “boiler four tubes”. Tungsten carbide cobalt metal ceramic composite powder as a powder coating material, can be applied…

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High-purity High Density Tungsten Trioxide 235

High-purity high density tungsten trioxide is a raw material used to prepare tungsten trioxide target with high purity and high density. The WO3 target is a common used evaporation material for preparing electrochromic tungsten trioxide film by electron beam evaporation method. Tungsten trioxide thin film is an important dingal material with excellent electrochromic property that has a wide application in electrochromic systems such as smart window. With the promotion of smart window, high-purity high density WO3 will also has a…

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Grade 2 Tungsten Trioxide 225

Grade 2 tungsten trioxide refers to tungsten trioxide powder classified according to Chinese standards with grade of WO3-2. Production Method of Tungsten Trioxide Tungsten trioxide may be prepared by double salt method. It is identified by relevant technical supervision departments that the relationship between particle size and apparent density of tungsten trioxide produced by double salt method is as follows: 1. The larger the particle size is, the greater the apparent density is. 2. The smaller the particle size is,…

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Grade 1 Tungsten Trioxide 259

Grade 1 tungsten trioxide is referred to as a light yellow crystalline powder with grade of WO3-1. Processes of Double Salt Method to Produce Tungsten Trioxide 1. By using sodium hydroxide to decompose tungsten concentrate to obtain crude sodium tungstate solution. 2. By adopting an improved “Chemical Purification Method” to remove silicon (Si), phosphorus (P), arsenic (As), fluorine (F), molybdenum (Mo) and other major impurities in the obtained solution. 3. Ammonium chloride is added to form “ammonium paratungstate – sodium…

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Large Grain Size Yellow Tungsten Oxide 471

Large grain size yellow tungsten oxide is tungsten trioxide with large grain size. Large grain size tungsten trioxide’s detection is mainly detecting its impurity content, apparent density and particle size. Apparent density is available by using apparent density meter. The particle size is measured with particle size analyzer. Detecting Impurity Content of Yellow Tungsten Oxide Dissolve yellow tungsten oxide in ammonia, and dilute the obtained solution with deionized water, then mix. Detect blank solution, yellow tungsten oxide ammonia solution and…

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