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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
Paints and varnishes - Pull-off test for adhesion
Standard published on 1.9.2006
Selected format:Determination of matter soluble in water of pigments--Cold extraction method
Standard published on 3.7.2003
Selected format:Determination of water-soluble sulfates, chlorides and nitrates of pigments
Standard published on 4.6.2008
Selected format:
General methods of test for pigments and extenders—Part 11: Determination of water-soluble sulphates, chlorides and nitrates
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Determination of resistivity of aqueous extract pigments
Standard published on 11.9.2007
Selected format:Determination of acidity or alkalinity of theaqueous extract of pigments
Standard published on 26.8.1986
Selected format:General methods of test for pigments and extenders—Part 14: Determination of residue on sieve—Mechanical flushing procedure
Standard published on 20.8.2021
Selected format:General methods of test for pigments and extendersPart 15Determination of oil absorption value
Standard published on 8.7.2014
Selected format:Comparison of lightening power of white pigments
Standard published on 11.9.2007
Selected format:Comparison of contrast ratio(hiding power)of white pigments
Standard published on 5.9.1988
Selected format:Latest update: 2026-08-14 (Number of items: 2 293 479)
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