Ndfeb magnets: ndfeb is currently found to be the most commercially available magnet, known as the magnetite king, which has a very high magnetic energy with a maximum magnetic energy product (BHmax) more than 10 times higher than Ferrite. Therefore, also known as: strong magnetic, such as magnetic steel. Its own mechanical processing performance is also quite good. The working temperature can reach up to 200 degrees Celsius. And its quality is hard, performance is stable, have very good cost performance, therefore its application is extremely wide. But because of its strong chemical activity, its surface must be treated.
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