... ,segment size:according to your need Neodymium metal 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. Neodymium metal grade:N35,N38,N40,N42,N45,N48, ... low weight loss less than 2 mg/cm2 Neodymium metal applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication ...