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Rotor Magnet N40 Ndfeb Magnet Ring Sintered Permanent Magnet Neodymium
NdFeB is a new type of permanent magnet material, which is an alloy composed of rare earth metal nd fe-b. Among them, nd accounts for 5-15% of the total weight, fe accounts for 1-2%, and the content of b is around 1%.
There are many levels of NdFeB magnets
| grade | Max Operating Temperature | grade | Max Operating Temperature |
| N30-N54 | 80℃(176℉) | N30UH-N45UH | 180℃(356℉) |
| N30M-N52M | 100℃(212℉) | N30EH-N38EH | 200℃(392℉) |
| N30H-N52H | 120℃(248℉) | N32AH | 220℃(428℉) |
| N30SH-N45SH | 150℃(302℉) |
advantage
1. High remanence
2. Low coercivity
3. High saturation magnetism
4. Good temperature characteristics
5. Excellent corrosion resistance
6. Lower resistivity
7. High mechanical strength and processing performance
8. Good thermal stability
9. Can be made into products with complex shapes, such as disc type bipolar motors, etc.
