GB/T 34491—2017 Sintered NdFeB surface coating

This standard specifies the code names of single-layer coatings and multi-layer composite coatings on the surface of sintered NdFeB permanent magnetic linings, the requirements of the substrate, the preparation before plating and the process, performance requirements, Test methods, inspection rules and signs, packaging, transportation, storage, and certification.

This standard is suitable for the protective and decorative plating of the surface blood of permanent magnet materials on the side of sintered neodymium iron. Including electroplating, electroless plating and physical vapor deposition technology Plating layer (hereinafter referred to as plating product).
GB∕T 34491 -2017 Sintered NdFeB surface coating.pdf