Tungsten carbide powder is the main raw material for producing carbide, chemical formula WC., Tungsten carbide powder is a black hexagonal crystal with a metallic luster, hardness is similar to diamond, and is a good conductor of electricity and heat.

Molybdenum disulfide is an inorganic, black solid powder with a metallic luster. Molybdenum disulfide is the main component of molybdenite. 

 calcium stearate belongs to an organic compound. The molecular formula is C36H70CaO4; the appearance of white powder, insoluble in water, can be used as a waterproof agent, lubricant, and plastic additive.

Quartz powder (with quartz sand), an alias, is silica powder. Quartz sand is a hard, wear-resistant, and chemically stable silicate mineral whose main mineral composition is SiO2.

Molybdenum powder is silver-white metal or gray-black powder (body heart cubic crystallization). The melting point of 2,610℃. The boiling point of 5,560℃. Relative density of 10.2. Solsoluble in hot concentrated nitric acid, hot concentrated sulfuric acid

 Tungsten powder is a gray-black metal with metallic luster (body heart cubic crystallization). The melting point of 3,400℃. The boiling point of 5,555℃. The hardness of tungsten is the hardest metal. 

 Graphite powder is a mineral powder, and the main component is carbon quality, soft, black-gray, and greasy feeling, which can pollute the paper. The hardness is 1 to 2, and the hardness can increase to 3 to 5 along the vertical direction. The specific g

 Quartz powder is made of pure quartz by crushing, picking, cleaning, acid treatment, high-temperature melting, medium crushing, fine grinding, grading, iron removal, and other processes to meet the requirements of the use of powder.

 Tantalum carbide tube is a light brown metal cubic crystal powder, a sodium chloride cubic crystal system. Tantalum carbide is also used as an inhibitor of carbide-sintered grain growth, which obviously inhibits grain growth with a density of 14.3g/cm3.

Aluminum nitride (AIN) is a covalently bonded compound, a covalent crystal, belongs to the diamond nitride, hexagonal crystal system, fibre and zinc mineral type crystal structure, non-toxic, the appearance is white or grey white.