Strong 3M adhesive pasted Block Magnet
Super-Strength Rare Earth Magnet----Sintered NdFeB magnets, have the characteristics of :Coating is needed for NdFeB.Surface Treatment Method: Type Information Metallic Zinc, Nickel, Nickel+Nickel, Copper+Nickel, Nickel+Copper+Nickel,
Gold, Organic Epoxy, Nickel+Epoxy coating