... price 3.quick delivery 4.best service electromagnetic flow meter 1.good quality 2.reasonable price 3.quick ... its high magnetic properties. *Coating is needed for NdFeB Surface Treatment Method: Type Information Metallic Zinc, Nickel, Nickel+ ... Copper+Nickel, Gold, Organic Epoxy, Nickel+Epoxy coating Temporary Surface: Passivation MAGNETIC AND PHYSICAL CHARACTERISTICS (NdFeB) No.TypeRemanence Brntrinsic ...