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.

Manganese dioxide is a kind of inorganic compound, black amorphous powder or black orthorhombic crystal, difficult to dissolve in water, weak acid, weak alkali, nitric acid, sulfuric acid, cold sulfuric acid, heating condition dissolved in concentrated hy

Molybdenum disulfide is an inorganic material that is the main component of molybdenite ore—a solid black powder with a metallic luster.

 Chromium carbide is a gray-white, orthorhombic crystal system. It has a metallic luster, a relative density of 6. 68, a melting point of 1890℃, and a boiling point of 3800℃—resistance to acid, alkali resistance, and insoluble in water. High temperature h

: Fe3O4 powder is a kind of inorganic chemical formula for Fe3O4, commonly known as iron oxide black, magnet, black iron oxide, with magnetic black crystal, so it is also called magnetic oxidation body.

Molybdenum Disulfide is an inorganic substance with the chemical formula MoS2, which is the main component of molybdenite. The appearance is a solid black powder with a metallic surface. The melting point is 2375℃, density 4.80g / cm³ (14℃), and Mohs hard

MnO2 Powder (MnO2) belongs to an inorganic compound with the appearance of a black amorphous powder or black orthorhombic crystal, difficult to dissolve in water, weak acid, weak alkali, nitric acid, cold sulfuric acid.