/5pcs N35 15x5mm Countersunk Ring Magnets With 5mm Hole Strong Round Rare Earth Neodymium Magnet

5pcs N35 15x5mm Countersunk Ring Magnets With 5mm Hole Strong Round Rare Earth Neodymium Magnet

Description:5pcs N35 15x5mm Countersunk Ring Magnets With 5mm Hole Strong Round Rare Earth Neodymium MagnetNeodymium (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 magnet was made of NdFeB, have strong magnetic performances and appearance does not rust, usually placed in room temperature, the maximum operating temperature is 80 C , and it never will demagnetization.Specification:Material: NdFeBPlating: Ni-Cu-Ni (Nickel)Grade: N35Shape: RingSize: approx. 15mm (Diameter) x 5mm (thickness)Operating temperature: 80℃Ages:7+ ages, both for kids and adults.Attention:*The Neodymium Magnetic surface already has coating protection,please keep in a dry environment if not using.*Supper strong magnets, so please stay away from your electronic products, such as magnetic cards, mobile phone and so on.Applications: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, mi

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