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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
Distillate fuels--Calculation of cetane index
Standard published on 31.3.1989
Selected format:shell end mills
Standard published on 24.2.2016
Selected format:Standard test method for sulfur in petroleum products by wavelength dispersive X - ray fluorescence spectrometry
Standard published on 25.8.2008
Selected format:light olefins for industrial useDetermination of trace sulfur
Standard published on 8.7.2014
Selected format:Insulating oils--Determination ofgassing under electrical stress and ionization
Standard published on 31.3.1989
Selected format:
Determination for gassing properties of insulating oil under electrical stress and ionization
Execute Date: may 2026
Standard published on 5.10.2025
Selected format: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:Latest update: 2026-03-16 (Number of items: 2 266 785)
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