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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
Determination of compression strength for sintered metal materials at room temperature
Standard published on 4.6.2019
Selected format:Textiles - Standard atmospheres for conditioning and testing
Standard published on 18.6.2008
Selected format:Chemical reagent - Barium nitrate
Standard published on 12.5.2011
Selected format:Crude petroleum and fuel oils--Determination of sediment--Extraction method
Standard published on 25.6.1986
Selected format:Test method for salt in crude oils(Potentiometric method)
Standard published on 31.12.2012
Selected format:Test method for water and sediment in crude oil by the centrifuge method
Standard published on 31.12.2012
Selected format:Gasoline--Determination of vapor-liquid ratio
Standard published on 24.6.1986
Selected format:Standard test method for distillation of petroleum products at atmospheric pressure
Standard published on 10.1.2011
Selected format:No.3 jet fuel
Standard published on 13.7.2018
Selected format:
No.3 jet fuel
Execute Date: september 2026
Standard published on 29.8.2025
Selected format:Latest update: 2026-06-21 (Number of items: 2 283 476)
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