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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
Standard test method for rust-preventing characteristics of inhibited mineral oil in the presence of water
Standard published on 13.2.2008
Selected format:
Test method for rust-preventing characteristics of inhibited mineral oil in the presence of water
Execute Date: may 2026
Standard published on 5.10.2025
Selected format:Standard test method for measurement of extreme-perssure prosperties of lubricating fluids - Timken method
Standard published on 17.7.2007
Selected format:Standard test method for measurement of low-temperature viscosity of lubricantsBrookfield viscometer method
Standard published on 19.2.2014
Selected format:Crude petroleum - Determination of water - Coulometric Karl Fischer titration method
Standard published on 16.3.2009
Selected format:Standard practice for sampling bituminous materials
Standard published on 10.1.2011
Selected format:
Method for sampling asphalt materials
Execute Date: may 2026
Standard published on 5.10.2025
Selected format:Test method for solubility of asphalt
Standard published on 13.2.2008
Selected format:
Test method for solubility of asphalt
Execute Date: may 2026
Standard published on 5.10.2025
Selected format:Standard capacitance boxes
Standard published on 31.3.1989
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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