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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
Analysis of water used in boiler and cooling system—Determination of zinc
Standard published on 9.3.2022
Selected format:Fluorescent whitening agent VBLC.I. Fluorescent whitening agent 85
Standard published on 23.12.2010
Selected format:Disperse dark blue S-3BG 200% (C.I.Disperse blue 79)
Standard published on 13.10.2016
Selected format:Disperse dyesDetermination of migration propertyHigh temperature dyeing process
Standard published on 8.7.2014
Selected format:Pigment printing ink--Determination of printing shaderelative strength and granule fineness
Standard published on 9.10.2003
Selected format:Calcium carbide
Standard published on 23.11.2004
Selected format:Calcium hypochlorite
Standard published on 4.6.2019
Selected format:Acetic anhydride for industrial use
Standard published on 9.6.2000
Selected format:Cyclohexanone for industrial use
Standard published on 6.9.2001
Selected format:Test method for specific optical density of smoke generated by solid materials
Standard published on 6.8.2023
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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