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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 for percentage of trash content in raw cotton
Standard published on 12.10.2022
Selected format:Slotted cheese head screws
Standard published on 24.2.2016
Selected format:Chemical reagent—Potassium bromate
Standard published on 15.5.2015
Selected format:Test method for moisture regain of hair fibers - Oven method
Standard published on 20.8.2008
Selected format:Test method for measure length of the wool fibre - Comb sorter method
Standard published on 10.3.2006
Selected format:Sampling method of man-made filament yarns
Standard published on 18.6.2008
Selected format:Man-made fibres—Test method of moisture regain
Standard published on 29.12.2017
Selected format:Man-made fiber—Test method for oil content
Standard published on 29.12.2017
Selected format:Man-made fiber—Test method for thermal shrinkage of filament yarnsafter treatment
Standard published on 29.12.2017
Selected format:Synthetic fibre—Test method for crimp contraction properties of textured filament yarns
Standard published on 29.12.2017
Selected format:Latest update: 2026-06-21 (Number of items: 2 283 476)
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