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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
Colour paste for pigment printing--Testing method for particle fineness and colouring power and shade
WITHDRAWN published on 31.3.1989
Selected format:Calcium carbide
WITHDRAWN published on 26.9.1997
Selected format:Calcium hypochlorite
WITHDRAWN published on 1.1.1989
Selected format:Calcium hypochlorite
WITHDRAWN published on 20.12.1995
Selected format:Calcium hypochlorite
WITHDRAWN published on 4.6.2008
Selected format:Phosphorus trichloride for industrial use
WITHDRAWN published on 1.1.1989
Selected format:Cyclohexanone for industrial use
WITHDRAWN published on 1.1.1989
Selected format:Fluorinated methanes for industrial uses—Determination of micro-amounts of water—Electrolytic method
WITHDRAWN published on 31.3.1989
Selected format:Test method for specific optical density of smoke generated by solid materials
WITHDRAWN published on 31.3.1989
Selected format:Test method for specific optical density of smoke generated by solid materials
WITHDRAWN published on 30.7.2008
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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