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Powerful magnet inspection method of choose and buy _ ndfeb strong magnet manufacturers

by:Newland     2020-03-31
Powerful magnet, is refers to the ndfeb magnet. It compared with the ferrite magnets, alnico, samarium cobalt magnetism can greatly over several other magnets, ndfeb magnets can adsorb itself, 640 times the weight of the weight, so the choose and buy products is to pay special attention to, usually check method have those? 1. Reference weight method estimates that weigh in hand according to the weight of the magnet, the magnet with a permanent magnet weight is heavy, light conversely. 2. With a magnet on the magnet frame, door, such as the magnet adsorption profile with permanent magnet, the opposite. 3. Observe the magnet frame, fan on whether there is tighten screw steel, also can prove whether equipped with permanent magnet.
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