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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
Ethylene and propylene for industrial use—Determination of trace of methanol—Gas chromatographic method
WITHDRAWN published on 30.12.1990
Selected format:Butadiene for industrial use—Determination of tert-butyl-catechol(TBC)—High performance liquid chromatographic method
WITHDRAWN published on 10.8.1999
Selected format:Electrostatic test methods for textile
WITHDRAWN published on 5.1.1991
Selected format:Textile—Evaluation for electrostatic properties—Part 1:Static half period
WITHDRAWN published on 18.6.2008
Selected format:Textile—Evaluation for electrostatic properties—Part 2:Electric charge density
WITHDRAWN published on 19.6.2009
Selected format:Textile—Evaluation for electrostatic properties—Part 5:Frictional voltage
WITHDRAWN published on 10.1.2011
Selected format:Fabrics—Determination of water vapour transmission rate—Dish method
WITHDRAWN published on 14.1.1991
Selected format:Textile fabrics—Testing method for penetration resistance to feather and down
WITHDRAWN published on 14.1.1991
Selected format:Textile—Methods of testing the down-proof properties of fabrics—Part 1:Rubbing test
WITHDRAWN published on 19.6.2009
Selected format:Textile—Methods of testing the down-proof properties of fabrics—Part 2:Tumble test
WITHDRAWN published on 19.6.2009
Selected format:Latest update: 2026-01-11 (Number of items: 2 254 176)
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