Formule du carbure de silicium
Silicon carbide is one of the hardest substances known, boasting a Mohs hardness rating of 9. It is chemically inert and commonly used in abrasives and metallurgical applications. Silica sand and carbon are combined in an electric resistance-type furnace designed by Acheson to produce this green-to-bluish black material, producing an iridescent product with greenish to …