hat
NdFeB leman yo pa tèlman bon nan reziste kont oksidasyon ak kowozyon nan lavni. Anjeneral yo gen yo dwe pwoteje pa PLATING oswa menm procesna vakyòm. Kalite komen nan kouch gen ladan zenk, nikèl, epoksidik ak lòt moun. SmCo leman pa pral k ap wouye san yo pa kouvri.
eng
NdFeB magnets are not so good in resisting oxidation and corrosion. Generally they have to be protected by plating or even vacuum packing. Common types of coating include zinc, nickel, epoxy and others. SmCo magnets won’t be rusting without plating.