... to you needs certification:SGS,ISO9001,Rohs Disk Magnet NdFeB mainly comprised of neodymium ,iron and boron,is the third generation ... 200c)N30AH,N33AH,N35AH(Max.operational temperature:up to 230c) Disk Magnet NdFeB Temperature:Temperature sensitivity varies, but when a ... ,average low weight loss less than 2 mg/cm2 Disk Magnet NdFeB applications:loudspeakers,motor assemblies,windmill,Home appliance, ...