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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
Health standard for methyl chloride in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for toluene diisocyanate in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for welding fume in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for magnesium oxide (fume) in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for condensed silica dust in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for wood dust in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for cotton dust in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for dibutyltin dilaurate in the air of workplace
WITHDRAWN published on 3.4.1996
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WITHDRAWN published on 1.1.1982
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WITHDRAWN published on 1.1.1979
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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