... Zn, Epoxy, Parylene, etc. 6.Applications of permanent Neodymium NdFeB Magnet: Motors, Generators,Neodymium Pot,Speakers,Sensors,Earphones and other musical instruments,Magnetic ... applications. 7. Magnetic direction of permanent Neodymium NdFeB Magnet:8. Range of permanent Neodymium NdFeB magnet: DiscDiameterThicknessMaximum220.00mm50.00mmMinimum0.30mm0.50mm BlockLengthWidthThicknessMaximum50.00mm150 ...