... shape:block,segment size:according to your need ndfeb rare earth magnet mainly comprised of neodymium ,iron and boron,is ... N33AH,N35AH(Max.operational temperature:up to 230c)ndfeb rare earth magnet Outsanding product:1)high performance:N52,N48M,48SH, ... average low weight loss less than 2 mg/cm2ndfeb rare earth magnet applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics, ...