This standard specifies the product classification, basic requirements, technical requirements, test methods, inspection rules and markings, packaging, transportation, storage and quality commitment of high-purity, high-performance alumina ceramic sealing rings for mechanical seals. This standard applies to high-purity, high-performance alumina ceramic sealing rings for A-99 and A-99.5 mechanical seals.
T/ZZB 0288-2017 history
2017T/ZZB 0288-2017 High purity & performance alumina ceramic seal rings