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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
Animal and vegetable fats and oils—Determination of saponification value
Standard published on 26.10.2024
Selected format:Animal and vegetable fats and oils - Determination of unsaponifiable matter - Part 1: Method using diethyl ether extraction
Standard published on 22.8.2008
Selected format:Animal and vegetable fats and oils - Determination of unsaponifiable matter - Part 2: Method using hexane extraction
Standard published on 22.8.2008
Selected format:Inspection of vegetable oils—Methods for determination of melting point
Standard published on 31.10.2025
Selected format:Inspection of grain and oils - Determination of phosphatide content
Standard published on 4.11.2008
Selected format:Inspection of grain and oils - Qualitative test of oils
Standard published on 4.11.2008
Selected format:Ships and marine technology—Ship""s mooring and towing fittings—Welded steel bollards for sea-going vessels
Standard published on 23.5.2023
Selected format:Disperse dyes—Determination of dispersibility—Filter test of double filter papers
Standard published on 31.5.2017
Selected format:Disperse dyes—Determination of stability of dispersion at high temperature—Filter test of double filter papers
Standard published on 31.5.2017
Selected format:Dyestuffs—Determination of large particles—Filter method of single layer filter cloth
Standard published on 5.10.2025
Selected format:Latest update: 2026-08-13 (Number of items: 2 293 179)
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