... better quality 2.Very stable. 3.Strong resistance to demagnetization Sintered NdFeb cup Magnet*********************************** Products performance ... Silver, Glod, Chrome, Passivation, etc.Working temperature: 80 to 200 degreesStructure: Block, Tile, Disc, Ring, Segment, ... 247-271(31-34)200 ***********************************Application: Applied to serve motors, DC motors, engineering equipment, ...