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