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N52 ring neodymium magnet:
NdFeB magnet is mainly made of Neodymium, Iron and Boron;
1. Reasonable temperature stability
2. High resistance to magnetic demagnetization
3. Effective surface treatment to prevent corrosion: gold, Ni, Cu, Zn, Tin, etc
4. Strong magnetic force and the highest (BH)max reaches up to 51MGOe
5. High intrinsic coercive force
6. Excellent cost to performance ratio