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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
Disperse dyestuffs - Determiation of dye-uptake at high temperature dyeing
Standard published on 2.6.2009
Selected format:Fluorescent whitening agents - Determination of relative whiteness - Instrumental measurement
Standard published on 18.9.2008
Selected format:Reactive dyesThe linkage between the dyes and the cellulosic fibersDetermination of the acidic or basic hydrolizing properties
Standard published on 8.7.2014
Selected format:Methods for color measurement of fluorescent specimens
Standard published on 11.3.2009
Selected format:Plastics - Determination of flexural properties
Standard published on 4.8.2008
Selected format:Test method for flammability of plastics - Determination of flash-ignition temperature and self-ignition temperature
Standard published on 30.6.2008
Selected format:Plastics - Determination of ash - Part 1: Generalmethods
Standard published on 14.8.2008
Selected format:Plastics - Determination of ash - Part 2: Poly(alkylend terephthalate)materials
Standard published on 19.8.2008
Selected format:Plastics - Determination of ash - Part 4: Polyamides
Standard published on 14.8.2008
Selected format:Plastics - Determination of ash - Part 5: Poly(vinyl chloride)
Standard published on 9.8.2010
Selected format:Latest update: 2026-04-21 (Number of items: 2 274 412)
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