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  Overview of molybdenum carbide Mo2C powder The molecular formula of  molybdenum carbide  is Mo2C, the molecular weight is 203.88, and the carbon content is 5.89%. It is a dark gray metal powder with a closely packed hexagonal lattice. The density is 9.18g/cm and the melting point is 2690℃. As a new type of functional material, it has a high melting point and hardness, good thermal and mechanical stability, and good corrosion resistance. It has been widely used in various high temperature, wear, and chemical corrosion fields. Molybdenum carbide  has a hexagonal crystal structure, a = 0.30029 nm and c = 0.472895 nm. The micro Vickers hardness (load 50g) is 1950kg/mm2 (compared to 2080kg for WC). / mm2 is softer) The melting point is 2687℃. Characteristics of molybdenum carbide Mo2C powder Molybdenum carbide  CAS 12069-89-5 is a gray hexagonal crystal. It has the characteristics of high melting point, high hardness, good thermal and mechanical stability, and good corrosion resistance. T

  Overview of Tungsten Carbide WC Powder Tungsten carbide  is a compound composed of tungsten and carbon, with a molecular formula of WC and a molecular weight of 195.85. The most basic form of tungsten carbide is a fine gray powder, but it can be pressed into shape through a process called sintering, used in industrial machinery, cutting tools, abrasives, armor-piercing bullets, and jewelry. The stiffness of tungsten carbide is about twice that of steel, and Young's modulus is about 530-700 GPa (77,000 to 102,000 KSI), which is twice the density of steel, almost between lead and gold. Its hardness is comparable to that of corundum (α-Al2O3), and only cubic boron nitride and diamond powder, grinding wheels, and compounds with high hardness abrasives can be used for polishing and finishing. Tungsten carbide  is a black hexagonal crystal with a metallic luster and hardness similar to diamonds. It is a good conductor of electricity and heat. Tungsten carbide is insoluble in water, hyd

  Overview of lanthanum oxide La2O3 powder Lanthanum (III) oxide . Lanthanum oxide is a chemical substance with a chemical formula of La2O3. Slightly soluble in water, and produce the corresponding salt. Exposure to the air easily absorbs carbon dioxide and water, and gradually becomes lanthanum carbonate. Combustion of lanthanum oxide and water will give off a lot of heat. Mainly used to manufacture precision optical glass and optical fiber. Is La2O3 an ionic compound or a covalent compound? Therefore, La2O3 is more ionic and Lu2O3 is more covalent. As the size decreases from La to Lu, the stability of the oxygen-containing salt also decreases. Lanthanum oxide  is an odorless white solid, insoluble in water but soluble in dilute acid. According to the pH value of the compound, different crystal structures can be obtained. La2O3 is hygroscopic. In the atmosphere, over time, it absorbs water and becomes lanthanum hydroxide. Lanthanum oxide has p-type semiconductor characteristics, with

  Overview of Scandium Oxide Sc2O3 Powder Scandium oxide  is an inorganic compound with the molecular formula SC2O3. It is one of several oxides of high melting point rare earth elements. It is used to prepare other scandium compounds as well as high-temperature systems (due to its heat resistance and thermal shock characteristics), electronic ceramics, and glass components (as auxiliary materials). The chemical formula of scandium oxide is SC2O3. Properties: white solid. Cubic structure, rare earth sesquioxide. The density is 3.864. The melting point is 2403 ℃ ± 20 ℃. Insoluble in water, soluble in hot acid. It is made by the thermal decomposition of scandium salt. It can be used as an evaporation material for semiconductor coating. Make variable-wavelength solid-state lasers, high-definition TV electron guns, metal halide lamps, etc. Scandium oxide (Sc2O3)  is one of the more important products in scandium products. Its physical and chemical properties are similar to rare earth oxide