... shape:block,segment size:according to your need Permanent NdFeb Magnet mainly comprised of neodymium ,iron and boron,is the ... N30AH,N33AH,N35AH(Max.operational temperature:up to 230c) NdFeb Magnet Outsanding product:1)high performance:N52,N48M,48SH,42UH, ... ,average low weight loss less than 2 mg/cm2 NdFeb Magnet applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication ...