... toughness,excellent self-sharpening performance and mezzo hardness Zirconia Alumina(ZA), also called Alumina Zirconia is a kind of abrasive material ... of organic bonded abrasive tools.The abrasive tools made by ZA are suitable for blasting, grinding and cutting all kinds of ... special steel and stainless steel.There are two kinds of ZA,one is ZA40,the other is ZA25.The abrasive tools ...