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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
Paraffin wax—Determination of polynuclear aromatics
WITHDRAWN published on 5.3.1987
Selected format:Paraffin wax—Determination of carbonizable substances
WITHDRAWN published on 5.3.1987
Selected format:Hessiancloth—Grading stipulation
WITHDRAWN published on 19.11.1987
Selected format:P-Anisidine
WITHDRAWN published on 5.11.1992
Selected format:p-Anisidine
WITHDRAWN published on 24.9.2008
Selected format:Monochlorodifluoromethane for industrial uses
WITHDRAWN published on 16.2.1987
Selected format:Fluorinated methanes for industrial uses—Determination of micro-amounts of water—Gravimetric method
WITHDRAWN published on 16.2.1987
Selected format:Fluorinated methanes for industrial uses—Determination of purity—Gas chromatography
WITHDRAWN published on 16.2.1987
Selected format:Fluorinated methanes for industrial uses—Determination of micro-amounts of water—Karl fischer method
WITHDRAWN published on 16.2.1987
Selected format:Series of cycle tyres
WITHDRAWN published on 10.9.1997
Selected format:Latest update: 2025-07-28 (Number of items: 2 209 911)
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