The craft era is far from over. On the contrary,...09/20/2019
At present, neodymium (NdFeB) magnets are the strongest permanent magnets. Even if they are characterized by small dimensions, these magnets develop high forces. NdFeB magnets are fragile and very sensitive to corrosion so their surface is zinc-coated or nickel coated, treated with epoxide resin, gold or passivation.