... of material being grinded.2. Tough bead bears impact better, and minimum friction allows minimum wear down to the equipment. 3 ... ,5,8,10 or to be customized Application: 1) Paint , Coating 2) Ultra-fine grinding for Cosmetic , Magnetic band 3) Superfine ... grinding mineral (GCC, Kaolin and so on) Low price and high efficiency zirconium ceramic Gringing Media