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Certificate of Analysis

NdFeB magnet, N48H

Code: NDFM27

(For eg. B 1615-0108)

A neodymium magnet (also known as NdFeB, NIB or Neo magnet), the most widely used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B tetragonal crystalline structure

Neodymium magnets have replaced alnico and ferrite magnets in many of the myriad applications in modern technology where strong permanent magnets are required, because their greater strength allows the use of smaller, lighter magnets for a given application.
Some examples are:
Head actuators for computer hard disks
Erase heads for cheap cassette recorders
Magnetic resonance imaging (MRI)