Zirconia Alumina - High strength,high intensity,high toughness,excellent self-sharpening performance and mezzo hardness Zirconia Alumina(ZA), also called Alumina Zirconia is a kind of abrasive material whose crystal structure is made up of Al2O3 and ZrO2 together. It is made by Aluminium Oxide and Zirconia which are electrically fused at high temperature.It has the character of high strength,high ...