... Disc,Disk,Stick,etc... 3.Certificate: TS16949 / ISO2008 NdFeB Disc Magnet:- N35-N52, N48M, N48H, N45SH, N38UH, N35EH...- Max temperature ... 4. Coatings: Ni, Zn, epoxy, gold, silver, Cu and so on(as per the requirements).5. NdFeB magnet has super ... intrinsic coercive force.6. With precise tolerance.Application for NdFeB magnet:Magnetic separator, Sensors, Wind generators, Vibration motors, DC motors ...