What is Silicon Nitride Si3N4?
What is silicon nitride?Silicon nitride is a not natural material with the chemical formula Si3N4. Gray, white or grayish white. The loved one molecular weight is 140.28.It is a crucial structural ceramic product with high solidity. It has lubricity and also wear resistance, is an atomic crystal, and also is antioxidant at heat. Other than hydrofluoric acid as well as warm phosphoric acid, it does not respond with other not natural acids and has strong corrosion resistance. As well as it can lik