Subultrafine tungsten carbide powder refers to tungsten carbide powder with a particle size of 0.1~0.3μm. It is a basic raw material for the production of ultra-fine-grained tungsten carbide and can be prepared by phase transfer synthesis. Application Subultrafine tungsten carbide powder is the basic raw material for the production of ultra-fine grain tungsten carbide. With the addition of suitable binders and grain growth inhibitors, it can produce high hardness, high wear resistance and high toughness. The quality of the alloy…
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Microcrystalline tungsten powder has excellent performance characteristics. It is used in thermal spraying and high temperature resistant parts coating materials and diamond nesting materials. It is also a carcass material for manufacturing oil drilling tools. Application Microcrystalline tungsten powder is often used to spray high temperature resistant component coating material and diamond nesting materials. These materials sprayed is required high surface hardness, good toughness, wear resistance and corrosion resistance. Microcrystalline tungsten powder is a carcass material for the manufacture of…
Superfine spherical tungsten carbide powder has spherical appearance, good fluidity, good abrasion resistance, high hardness, etc. It can be used as a high-tech material for thermal spraying, and is generally prepared by ultra-high temperature melting gas atomization. Characteristic Compared with ordinary multi-angle tungsten carbide powder, superfine spherical tungsten carbide powder has two remarkable features: First, the appearance of spherical tungsten powder, powder mobility, surface quality after coating the workpiece is high; Second, it has the fine internal grain of the…
Spraying tungsten powder has the advantages of uniform powder particle size, good fluidity, corrosion resistance, etc. It is commonly used in thermal spraying coating and wear-resisting high-temperature component coating materials and diamond nesting materials. Products sprayed tungsten powder requires has the characteristic that high surface hardness, good toughness, wear resistance, and corrosion resistance. Best physical performance requirements: Uniform powder particle size, screening +60mesh ≤2%, -325mesh≤10%; Good fluidity, hall flow rate ≤12s/50g; Corrosion resistance, oxygen content≤0.05% (mass fraction), tungsten content of…
Super fine tungsten carbide powder refers to tungsten carbide powder with a particle size of less than 0.4μm. It has good uniformity, and has the advantages of the most balanced hardness, strength, and toughness. It can be used directly as a drilling tool and durable wear-resistant part. Characteristic Super fine tungsten carbide powder has good uniformity, easy control of grain growth, low sintering temperature, low production costs, and the most balanced hardness, strength, toughness and other advantages. Application Super fine…
Super coarse tungsten carbide powder is tungsten carbide powder with particularly coarse grain size, sieve size ≥40 mesh and iron content about 0.2%. It is the raw material for producing hard surface materials and tungsten carbide. It can be prepared by the aluminothermic reduction carbide method. Application Super coarse tungsten carbide powder has a very coarse grain and is an excellent raw material for hard surface materials. However, it is used for the manufacture of hard alloys, and special processing…
Coarse tungsten carbide powder has a relatively coarse particle size and is a raw material for preparing a heterogeneous tungsten-cobalt tungsten carbide. The tungsten carbide has the advantages of high strength, high hardness, and excellent impact toughness. Application The coarse tungsten carbide powder is ball-milled for a short period and then subjected to gas classification. The tungsten carbide powder of each grain size is obtained, and then wet milled according to the coarse and fine particles and the cobalt powder.…
Ultrafine tungsten trioxide has special physical and chemical properties such as catalysis, photochromism, electrochromism, gas sensing and pressure sensing. So, it is widely applied in the fields of photocatalysis, solar absorption, sensor, military invisibility and fuel cell. And therefore, “How to Prepare Ultrafine Tungsten Oxide Powder More Environmentally Friendly and More Efficiently” has become a hot topic. Preparation of ultrafine tungsten trioxide is mainly to control the crystallization process. That is means to control the main two steps: 1. Microscopic…
Super grade tungsten trioxide is a grade of tungsten trioxide with the minimum purity of 99.98%. Its grade is WO3-0. The other two grades of tungsten trioxide are grade 1 and grade 2. Their grades are WO3-1 and WO3-2 respectively. Certainly, due to the difference in raw material, processing technology, processing equipment, etc., manufacturers will also produce a variety of different specifications of tungsten trioxide in the actual production process. The maximum percentage (%) of the impurity of the super…
Industrial grade tungsten trioxide refers to a type of yellow powder with an average particle size of less than 100 nm, a specific surface area of more than 9m^2/g and a purity of more than 99.95%. It is produced by using Chinese standard. It adopts ammonium paratungstate (APT) as raw material. It is widely applied in the production of petroleum catalysts, special paints, metal ceramics and ultrafine tungsten powder. Its CAS number is 1314-35-8. Preparation Adopting ammonium metatungstate (AMT) as…