... ,It has excellent properties of high remanence,coercivity,and Max.energy product. Neodyium Magnetic grade: N35,N38,N40,N42,N45,N48,N50 ... are much higher than 1.67 the consisitency of surface magnetic field and magnetic flux can be controlled with +/-1% 4)High Anti ... -corrosion:the sale spray test and humid heat test of the high ...