... motor. 2.Sstrontium ferrite. 3.ISO/TS 16949. 4.Stable performance+competitive price 1.Application: hard ferrite magnets for the motors ... of electric tool. 2.Compostion: hard ferrite powder,strontium,SrO.6Fe2O3.3.Grade ... ,Y29,Y30,Y32,Y33,Y34,Y35,Y36,Y38,Y40.4.Performance: Br≥400 mT, Hcb≥230 KA/m.5.Shape: arc ...