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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
Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 3: Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel
WITHDRAWN published on 9.10.2015
Selected format:Voltage ratings of D.C electric traction system
WITHDRAWN published on 22.12.1988
Selected format:Voltage ratings of D.C.electric traction system
WITHDRAWN published on 18.6.2008
Selected format:Food additive--Calcium of intensifiens
WITHDRAWN published on 10.12.1988
Selected format:Food additive coreopsis-yellow
WITHDRAWN published on 1.1.1988
Selected format:(Food Additives. Red beans)
WITHDRAWN published on 1.1.1988
Selected format:Food additive--Sorghum pigment
WITHDRAWN published on 10.12.1988
Selected format:Food additive—Sorghum pigment
WITHDRAWN published on 30.6.2005
Selected format:Commercial moisture regains of textiles
WITHDRAWN published on 10.12.1988
Selected format:Conventional moisture regains of textiles
WITHDRAWN published on 30.12.2008
Selected format:Latest update: 2026-06-04 (Number of items: 2 281 409)
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