GB/T 40793-2021 Nonmetallic coatings for sintered neodymium iron boron permanent magnets

GB/T 2423.22-2012 Environmental testing—Part 2:Test methods—Test N:Change of temperature GB/T 13452.2-2008 Paints and varnishes—Determination of film thickness GB/T 39494-2020 Determination for coating adhesion of rare earth permanent magnetic materials for drive motor of new energy vehicle QB/T 3814 GB/T 2423.50-1999 Environmental testing for electric and electronic products—Part 2:Tests—Test Cy:Damp heat, steady state, accelerated test primarily intended test primarily intended for components GB/T 2423.50-2012 Environmental testing—Part 2:Test methods—Test Cy:Damp heat,steady state,accelerated test primarily intended for components GB/T 3138-1995 Terminology for metallic coating, chemical treatment and related process GB/T 3138-2015 Metallic and other inorganic coatings—Surface treatment,metallic and other inorganic coatings—Vocabulary GB/T 6739-1996 Determination of film hardness by pencil test GB/T 6739-2006 Paints and varnishes—Determination of film hardness by pencil test GB/T 6739-2022 Paints and varnishes—Determination of film hardness by pencil test GB/T 6807-2001 Specifications for phosphating treatment of iron and steel parts before painting GB/T 8264-1987 Glossary of painting terms GB/T 8264-2008 Glossary of painting terms GB/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 34491-2017 Coatings for sintered neodymium iron boron permanent magnets GB/T 2423.50-2025 Environmental testing—Part 2:Test methods—Test Cy:Damp heat, steady state,accelerated test primarily intended for components