Aluminum nitride, covalent bond compound, chemical formula is AIN, is an atomic crystal, belongs to diamond-like nitride, hexagonal system, wurtzite crystal structure, non-toxic, white or off-white.

Vanadium nitride VN is a compound of vanadium and nitrogen.

Gallium nitride is an inorganic substance with the chemical formula GaN, which is a compound of nitrogen and gallium.

Bi2O3 bismuth oxide powder is one of the most important bismuth compounds.

Manganese trioxide is an oxide with a chemical formula of Mn2O3 and a molecular weight of 157.88.

Spherical quartz powder is made of natural quartz stone after purification and ultra-fine grinding, and through a certain high temperature field, its phase, crystal form and shape change instantaneously, from solid state to molten state and then to solid

Manganese dioxide is an inorganic compound with the chemical formula MnO2.

As a zirconium-silicon intermetallic compound, zirconium silicide is a high-temperature ceramic material with high hardness, high melting point, high electrical conductivity, high thermal conductivity, and excellent thermal shock resistance.

Stannic sulfide is golden yellow crystal or yellow amorphous solid.

Titanium boride powder is gray or gray-black with a hexagonal crystal structure.