5pcs N52 Strong Round Disc Magnets Rare Earth Neodymium 30mm x 10mm

Description 5pcs N52 Strong Round Disc Magnets Rare Earth Neodymium 30mm x 10mmNeodymium 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 Usually placed in room temperature the maximum operating temperature is 80C and it never will demagnetization Specification Shape DiscGrade N52Size 30mm x 10mmPlating Ni Cu Ni Nickel Material NdFeBColor SilverQuantity 5 pcsApplications 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 and so on Other industries magnetized Wax pipe descaling magnetic fixture automatic mahjong machine magnetic locks doors and windows magnetic magnetic luggage leather magnetic toys magnetic tools gifts and packaging Tip 1 Strong magnets sh