... is one of the high performance rare earth permanent magnets, which use neodymium (Nd), iron (Fe), and boron (B) ... -38EH, 28AH-35AH4. Shape: Disc(Cylinder), Block, Ring, Countersunk, Segment and more, trapezoid, irregular shape, customized shapes are ... Temporary Surface: Passivation c)Dimension are Available Attributes of Neodymium Magnets: d)Very high resistance to demagnetization High energy for ...