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Tube magnets ,aslo well knowsn as magnetic bar,is made from the powerful rare earth magnets (NdFeB or SmCo) or Ferrite magnets in a stainless steel tube( 314 or 316L) , Its two sides are full welded and well polished .So it is waterproof , no liquids or supper fine powder or gas can penetrate the interior of magnetic system.Tube magnets can separate ferrous contaminants from solid material or liquid material. For example, it can remove iron crumbs,rust, impurities and peel off coating from food, pharmacy, chemical materials ,plastic ,casting sand, glass, and electronic material


