... segment size:according to your need ndfeb rare earth magnet rod mainly comprised of neodymium ,iron and boron,is the ... Max.operational temperature:up to 230c) ndfeb rare earth magnet rod Outsanding product:1)high performance:N52,N48M,48SH,42UH,38EH ... loss less than 2 mg/cm2 ndfeb rare earth magnet rod applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication equipment ...