Home Faqs What defines the grade of a neodymium magnet?
What defines the grade of a neodymium magnet?
Neodymium magnets are classified by the value of the maximum energy product, which refers to the measurable magnetic flux per unit volume.
Higher values indicate stronger magnets. The codes following the numbering indicate the maximum operating temperatures of the neodymium magnets:
N30-N55 > 80°C
N33M-N52M > 100°C
N30H-N50H > 120°C
N30SH-N48SH >150°C
N28UH-N45UH >180°C
N28EH-N42EH > 200°C
N28AH-N38AH > 220°C
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