SUITABLE FOR HOME AND OFFICE: Whiteboard,fridge,office,craft,washing machine,teaching, needle board,science project, DIY, etc.AUTHENTIC NEODYMIUM MAGNET : Each magnet has three layers of neodymium, copper and neodymium coating, which has high resistance to oxidation and corrosion. it is strong, durable and long lasting.Specification:Grade N50Shape RoundMaterial NdFeBDiameter 10mmThickness 10mmMagnetic force 3000 gaussPulling force 0.25kgQuantity 10pcsFeatures:Neodymium (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.Applications:1. Acoustic field: the speaker, receiver, microphone, alarm, stage audio, car audio and so on.2. Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, meter, sound meter, a reed switch, sensors.3. Electrical field: VCM, CD / DVD-ROM, generators, motors, servo motors, micro-motors, motors, vibration motors.4. Machinery and equipment: magnetic separation, magnetic machinery.5. Healthcare: medical equipment, magnetic health products and so on.6. Wedding corsage badges, etc., can be replaced with a magnet attractsevery other clothes pins, so as not to damage the dress.Warning:Strong magnets should Keep away from Ironware and some easily magnetized iron products, such as monitors, bank cards, computers, televisions, mobile phones and other.These magnets are very powerful which should be handled with great care. Without parents supervised do not allow ch
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