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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Specification and type for bursting discs - Part 3Flat bursting discs
Standard published on 30.12.2011
Selected format:Specification and type for bursting discs - Part 4Graphite bursting discs
Standard published on 30.12.2011
Selected format:Performance requirements for low and intermediate level radioactive waste form - Cemented waste form
Standard published on 12.5.2011
Selected format:Characteristic requirements for solidified waste of low and intermediate level radioactive waste--Bitumen solidified waste
Standard published on 13.12.1995
Selected format:Test method for climbing drum peel strength of sandwich constructions
Standard published on 15.4.2022
Selected format:Test method of monoethylene glycol for industrial use—Part 1: Determination of acidity—Titration method
Standard published on 13.10.2016
Selected format:Test method of ethylene glycol for industrial use—Part 2: Determination of purity and impurities—Gas chromatography
Standard published on 15.3.2018
Selected format:Test method of ethylene glycol for industrial use—Part 3Determination of content of aldehydes
Standard published on 11.7.2022
Selected format:Test method of ethylene glycol for industrial use—Part 4Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method
Standard published on 15.4.2022
Selected format:Test method of monoethylene glycol for industrial use—Part 5: Determination of chloride ion—Ion chromatography
Standard published on 13.10.2016
Selected format:Latest update: 2026-04-15 (Number of items: 2 272 661)
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