200PCS N42 Neodymium Magnets 25x1mm - Strong Rare Earth Disc Magnets, NdFeB Permanent Magnets for DIY Projects, Science Experiments, Whiteboards & Home Organization (Silver Color)

Product Name: Magnetite NdFeBProduct specifications: disc diameter 25 x thickness 1 (mm )Tolerance: + - (0-0.3 ) Unit mmPerformance grade: N42Operating temperature: up to 80 degreesCoating: nickel platingMagnetizing direction: N S pole in the largest surface, not on the sideNeodymium (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 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.ApplicationsAcoustic field: the , receiver, microphone, alarm, stage audio, car audio and so on.Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter,sound meter, a reed switch, sensors.Electrical field: VCM, CD / DVD-ROM, generators, motors, servo motors, micro-motors,vibration motors.Machinery and equipment: magnetic separation, magnetic crane, magnetic machinery.Healthcare: MRI scanners, medical equipment, magnetic products and so on.Other industries: magnetized Wax, pipe descaling, magnetic fixture, automatic mahjong machine,magnetic locks, doors for windows magnetic, magnetic luggage, leather magnetic toys,magnetic tools, gifts and packaging.Tip1, Strong magnets should Keep away from Ironware and some easily magnetized iron products,such as monitors, bank cards, computers, televisions, mobile phones and other.2, Strong magnets should be stored in a dry, heated environment, and need to use of plastic,wood, cardboard, foam