... prior&timely delivery 4.application: neodymium black epoxy coated magnetProduct Description1.Material of NdFeB magnet: Magnet N-( N30-------N52), working temperature ... temperature:220 degree Celsius.2.3.Magnet shape: Block,Ring, Arc,Disc, Cylinder, Rod,Bar, Cube,Sphere,Strip etc.4. ... Samples are available, welcome your inquiry. CiYan Magnet is your reliable ...