... N30AH,N33AH,N35AH(Max.operational temperature:up to 230c) Neodymium metal Outsanding product:1)high performance:N52,N48M,48SH,42UH,38EH ... can be controlled with +/-1%4)High Anti-corrosion:the sale spray test and humid heat test of the high anti ... ,average low weight loss less than 2 mg/cm2 Neodymium metal applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication equipment ...