... ,block,tile size:according to your need Rare Earth Motor Magnet mainly comprised of neodymium ,iron and boron,is the ... Max.operational temperature:up to 230c) neodymium Rare Earth Motor Magnet Outsanding product:1)high performance:N52,N48M,48SH,42UH, ... loss less than 2 mg/cm2 Rare Earth Motor Magnet applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication equipment,toy, ...