This standard specifies the terms and definitions, model and shape structure, basic requirements, technical requirements, test methods, inspection rules, labeling, packaging, transportation and storage and quality commitment of high and low temperature resistant permanent magnets. This standard is applicable to permanent magnet ferrites (hereinafter referred to as "magnets") with operating temperatures in the range of -40 ℃ ~ +300 ℃ and shapes of rings, discs, rectangles, and tiles.
T/ZZB 0635-2018 history
2018T/ZZB 0635-2018 High-temperature and low-temperature resistant permanent magnet ferrite