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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
Terminology of graphic technology—Part 8:Terms for digital printing
Standard published on 31.12.2013
Selected format:Terminology of graphic technology—Part 9:Terms for book and periodical printing
Standard published on 29.12.2017
Selected format:Chemical reagent - Sodium sulfate anhydrous
Standard published on 15.5.2008
Selected format:Chemical reagent - Oxalic acid dihydrate
Standard published on 15.5.2008
Selected format:Chemical reagent - Citric acid monohydrate
Standard published on 15.5.2008
Selected format:Method for determining the folding endurance of photographic film and film base
Standard published on 15.12.2009
Selected format:Determination of the water absorbility of silver halide photographic material
Standard published on 21.12.1995
Selected format:Imaging materials - Photographic film and papers - Method for determining the resistance of photographic emulsions to wet abrasion
Standard published on 24.9.2008
Selected format:Method for determining the speed and average gradient of black-and-white aerial camera films
Standard published on 20.9.1988
Selected format:Method for determining the speed of colour reversal camera films
Standard published on 20.9.1988
Selected format:Latest update: 2026-07-24 (Number of items: 2 290 214)
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