20pcs N50 10mmx15mmSuper Strong Round Rare Earth Neodymium Magnets

Description 20pcs N50 Super Strong Round Cylinder Rare Earth Neodymium 10mm x 15mmNeodymium chemical symbol Nd is element 60 on the periodic table It is a rare earth metal and forms one of the Lanthanides series When added to Iron Fe and Boron B chemical formula Nd14Fe21B the resultant magnets are the strongest magnets currently available Neodymium magnets are sometimes known as Neo Neod or NIB magnets Neodymium magnets are usually coated Nickel Copper Nickel plating to prevent the iron from rusting Neodymium block magnetwas made ofNdFeB have strong magnetic performances and appearance does not rust usually placed inroom temperature the maximumoperating temperature is 80 C and it never will demagnetization Please be care whenbreak apartbecause Neodymium block magnet have strong Magnetism Specifications Shape Disc RoundMagnetic face 10mm 15mm Dia Thickness Plating Ni Cu Ni Nickel Material NdFeBGrade N50Color SilverWeight 175gQuantity 20pcsApplications Acoustic Field the speaker receiver microphone alarm stage audio car audio and so on Electronics permanent magnetic actuator vacuum circuit breakers magnetic relays meter meter sound meter a reed switch sensors Electrical Field VCM CD DVD ROM generators motors servo motors micro motors motors vibration motors Machinery and Equipment magnetic separation magnetic crane magnetic machinery Healthcare MRI scanners medical equipment magnetic health products a