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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
Sensory analysis method--Guide lines for the preparation of samples for which direct sensory analysis is not feasible
Standard published on 18.4.1990
Selected format:Sensory analysis—Methodology—Ranking
Standard published on 25.6.2008
Selected format:Symbols,abbreviations and terms used on Chinese charts
Standard published on 13.7.2022
Selected format:Rubber,unvulcanized—Determinations using a shearing-disc viscometer—part 1: Determination of Mooney viscosity
Standard published on 13.10.2016
Selected format:Rubber, unvulcanized—Determinations using a shearing-disc viscometer—Part 2:Determinations of pre-vulcanization characteristics
Standard published on 25.4.2025
Selected format:Rubber, unvulcanized—Determinations using a shearing-disc viscometer—Part 3:Determination of the Delta Mooney value for non-pigmented, oil-extended emulsion-polymerized SBR
Standard published on 11.10.2021
Selected format:Rubber,unvulcanized—Determinations using a shearing-disc viscometer—Part 4: Determination of the Mooney stress-relaxation rate
Standard published on 12.7.2017
Selected format:Compilation specifications for Chinese nautical charts
Standard published on 13.7.2022
Selected format:Power quality - Deviation of supply voltage
Standard published on 18.6.2008
Selected format:Power quality - Voltage fluctuation and flicker
Standard published on 18.6.2008
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
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