Modern industry cannot function without ultrafine alumina. Alumina powders with ultrafine or fine grain have a different surface electronic structure, and the crystal structure has also changed. This leads to surface effects, and smaller sizes, that…
How serious are fertility problems today? People don't want to give birth,can't afford it, and can't give birth that has become the "three mountains". The problem of childbirth is related to the people's livelihood. Whether a country can prosper or n…
Si3N4 Powder is the name of Silicon Nitride. This super-hard substance is resistant to wear as well as oxidation and has its own lubricity. Purity: 99%Particle size: 0.5um-1um Silicon Nitride (Si3N4) Powder: It is important to note that the word…