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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
Test method of service life of filter type respirator canister for sulfur dioxide
WITHDRAWN published on 1.1.1982
Selected format:Test method of service life of filter type respirator canister for carbon monoxide
WITHDRAWN published on 1.1.1982
Selected format:Test method of service life of filter type respirator canister for mercury vapour
WITHDRAWN published on 1.1.1982
Selected format:Guides for calculating energy efficiency index of an iron and steel enterprise
WITHDRAWN published on 12.10.2012
Selected format:Safety colours
WITHDRAWN published on 10.2.1982
Selected format:Safety colors
WITHDRAWN published on 15.9.2001
Selected format:Safety colours
WITHDRAWN published on 11.12.2008
Selected format:Graphical symbols—Safety Colors and safety signs—Part1:Design principles for safety signs in workplaces and public areas
WITHDRAWN published on 10.5.2004
Selected format:Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels
WITHDRAWN published on 30.12.2008
Selected format:Safety and sanitation standard for chlorine dioxide disinfectant generator
WITHDRAWN published on 20.11.2012
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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