Detailed Product Description Product DescriptionMaterial Grade of NdFeB neodymium magnet: Magnet N-( N30,N33,N35, N38, N40, N42, N45, N48, ... ) working temperature:220 deg.Our factory can manufacture NdFeB magnet in various size, according to the customer's specificationSurface Treatments ... : Zinc, Copper+Nickel, Epoxy, Gold, Silver, Passivation, and custom coating available upon request.