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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
Sodium metabisulphite for industrial use
WITHDRAWN published on 1.1.1985
Selected format:Test method for flammability characteristics of fiber-reinforced plastics—Incandescent rod method
WITHDRAWN published on 24.5.1985
Selected format:Butadiene for industrial use—Testing of appearance
WITHDRAWN published on 10.8.1999
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Butadiene for industrial use—Determination of nonvolatile residues
WITHDRAWN published on 10.8.1999
Selected format:Butadiene for industrial use—Determination of trace dimer—Gas chromatographic method
WITHDRAWN published on 10.8.1999
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Butadiene for industrial use—Determination of purity and hydrocarbon impurities—Gas chromatographic method
WITHDRAWN published on 10.8.1999
Selected format:Butadiene for industrial use—Determination of purity and hydrocarbon impurities—Gas chromatographic method
WITHDRAWN published on 19.6.2008
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WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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