... :block,segment size:according to your need Neodyium Magnetic mainly comprised of neodymium ,iron and boron,is the third generation of the ... ,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 ...