Details：
Beryllium nitride
Molecular weight: 55.05
Melting point:2200℃
Appearance: white powder
Characters: It is hard metal and refractory metal, soluble in water and will release nitrogen in acid solution and aqueous alkali. It can easy be oxygenated at 600℃ or above.
Use: Mainly used for refractory material
Aluminum nitride
Molecular weight: 40.99
Molecular formular: AlN
Density: 2.18g/cm3
Use: used for crucible of smelting of Aluminum, Copper, Silver and Lead
Boron nitride
Melting point:2967℃
Density:2.18g/cm3
Main Application: Mainly used for alloy, high temperature resistant material, semiconductor and lubricating agent.
Silicon Nitride
Molecular formular: Si3N4
Relative quality: 1402.8
Appearance: off-white powder
Density:3.44
Hardness: 9~9.5, the knoop hardness is approx 2200, the micro hardness is around 32630MPa
Melting point:1900℃(pressurized)
Specific heat capacity: 0.71J/(g?K)
Heat of formation: -751.57kJ/mol
Thermal conductivity: 16.7W/(m?K)
Coefficient of linear expansion: 2.75×10-6/℃(20~1000℃)
Main Application: Mainly used in ceramic production, temperature resistant material, metallurgy and smelting and rubber industry
Titanium dioxide
Molecular formular:TiO2
TiO2(W%)：≥90
Whiteness: ≥98%
Density:4.23
Melting point:2900℃
Boiling point:1855℃
Main Application: It is regarded as a best white paint and mainly used for coating, plastic, papermaking, printing ink, chemical industry and cosmetic industry
Titanium carbide
Relative quality:59.91
Density:4.93g/cm3
Melting point:3160℃
Boiling point:4820℃
Characters: It is high hardness, corrosion-resisting and good thermal stability
Main Application: mianly used for metal ceramic
Silicon carbide
Specification: JIS#800, JIS#1000, JIS1200, JSS#1500, JIS#2000
Main Application: It is good for cutting equipment and kinds of diameter of cutting line.