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Strontium Tungstate 242

Strontium tungstate is a type of tungstate with tetragonal crystal system, CAS No. of 13451-05-3, relative density of 6.187g/mL (25/4°C), chemical formula of SrWO4, molecular weight of 335.45800 and exact weight of 335.83600. There are different purity including 99% (2N), 99.9% (3N), 99.99% (4N) and 99.999% (5N). SrWO4 is stable under room temperature and pressure. And it should avoid getting contact with oxidants and halogen. Solubility in water under 15°C is 0.14g/100mL H2O. It decomposes in acid. And it is…

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Lead Tungstate 217

Lead tungstate is a white to pale yellow powdery solid with the chemical formula of PbWO4, molecular weight of 455.03800 and CAS No. of 7759-01-5. It belongs monoclinic system. It is insoluble in water. And it is soluble in alkaline, sodium hydroxide solutions. It is available in 99.9% purity grade. Producing Methods 1. By heating tungsten powder and PbO2. 2. The reaction between tungsten powder and lead oxide (Ⅱ) under high temperature. 3. By mixing solutions of lead nitrate and…

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Nickel Tungstate 219

Nickel tungstate is also called nickel tungsten oxide with CAS No. of 14177-51- 6, molecular formula of NiWO4, molecular weight of 306.53100 and exact mass of 305.86600. It is stable under normal temperature and pressure. However, it still needs to avoid contact with acid and other materials. Preparation Under 800 degree celsius and in vacuum atmosphere, nickel powder would react with tungsten trioxide to obtain volatile W3O8, NiWO4 and NiW5O16. Ecology Data It is usually not harmful to water. However,…

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Super Fine Spherical Tungsten Carbide Powder 354

Super fine spherical tungsten carbide powder has a spherical shape, small particle size and good fluidity. It is an important thermal spray material and has a wide range of applications. Characteristic The super fine spherical tungsten carbide powder has a spherical appearance, good powder fluidity, high surface quality of the coated workpiece, fine grain in the powder, high hardness, and better abrasion resistance of the coating. Preparation Tungsten powder, carbon black, tungsten carbide precursor or polycrystalline tungsten carbide are used…

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Medium Fine Grain Size Tungsten Carbide Powder 329

Medium fine grain size tungsten carbide powder has small particle size and high homogeneity. It is the main raw material for the production of tungsten carbide, and can be prepared by direct reduction carbonization. Preparation It can be directly reduced and carbonized into tungsten carbide powder by tungsten-containing precursor powder, which is a method suitable for industrial scale production. The continuous process using direct reduction carbonization can shorten the process flow and increase the efficiency of the generation of medium…

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High Temperature Tungsten Carbide Powder 345

High temperature tungsten carbide powder has the characteristics of high purity, complete lattice, and good particle geometry. It is an important raw material for tungsten carbide production by adopting high temperature carbonization process. Application The microstructure of WC-6%Co alloy prepared by high temperature tungsten carbide powder is uniform, and the crystal phase of tungsten carbide hard phase is complete, the average grain size is 2.0~2.5μm, and the hardness and bending strength are HRA 90.0 and 3000MPa, respectively. Its performance is…

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Tungsten Carbide Alloy Powder 328

Tungsten carbide alloy powder has characteristics of high hardness, wear resistance, corrosion resistance, high temperature resistance, etc. It is an important tungsten carbide material and catalytic material with broad application prospects. It can be prepared by spray drying-fluidized bed method and fixed bed method. Application It is also an important catalytic and electroactive material. It exhibits good catalytic activity for some hydrogenation reactions, alkane cracking, catalytic reforming, and catalysts for fuel cells. Its catalytic activity is similar to that of…

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High Melting Point Spherical Tungsten Carbide Powder 315

High melting point spherical tungsten carbide powder has high melting point, good fluidity, good abrasion resistance and excellent overall performance. It is suitable for machining at high temperature and can be used to make cutting tools, nozzles and so on. Application The high melting point spherical tungsten carbide powder is suitable for machining at high temperature, and can be used for manufacturing cutting tools, kiln structural materials, jet engines, gas turbines, and nozzles. Preparation Gas atomization method is suitable for…

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Single Phase Tungsten Carbide Powder 310

Single phase tungsten carbide powder has the advantages of good plasticity, high hardness and complete crystallization. It is an important raw material for the preparation of tungsten carbide, and the storage period is 6~8 months. Characteristic Single phase tungsten carbide powder has complete carbonization, good plasticity. It also has high hardness, less structural defects, and complete crystal development. Its internal structure features no W2C phase, few micropores, few grain boundaries, and large crystal grains. Application Single phase tungsten carbide powder…

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Nano Spherical Tungsten Carbide Powder 316

Nano spherical tungsten carbide powder has spherical particles, good quality, clean, less pollution, small size and narrow size distribution range. It is an important thermal spraying high-tech material and can be prepared by plasma method. Application As a new high-tech material for thermal spraying, nano spherical tungsten carbide powder can meet the requirements of high-performance thermal spraying materials due to its good fluidity and high hardness. Preparation Plasma technology is considered to be the most effective method for obtaining nano…

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