What does NdFeB 42SH mean?

NdFeB is a kind of magnet, and it is the third generation rare earth permanent magnet material.
42SH represents a material grade.
42 indicates that its maximum magnetic energy product is 42MGOe.
SH is the first letter of Super High in English with particularly high coercivity, representing a sintered permanent magnet material with an intrinsic coercivity greater than 20KOe and a temperature resistance of 150 degrees.

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