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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—Determination of gloss value at 20°60°and 85°
Standard published on 30.6.2025
Selected format:Synthetic resin emulsion based wall coatings
Standard published on 28.11.2024
Selected format:Paints and varnishes--Determination of “Soluble” metal content--Part 1:Determination of lead content--Flame atomic absorption spectrometric method and dithizone spectrophotometric method
Standard published on 5.9.1988
Selected format:Paints and varnishes--Determination of “soluble” metal content--Part 2:Determination of antimony content--Flame atomic absorption spectrometric method and rhodamine B spectrophotometric method
Standard published on 5.9.1988
Selected format:Paints and varnishes--Determination of “soluble” metal content--Part 3:Determination of barium content--Flame atomic emission spectrometric method
Standard published on 5.9.1988
Selected format:Paints and varnishes--Determination of “soluble” metal content--Part 4:Determination of cadmium content--Flame atomic absorption spectrometric method and polarographic method
Standard published on 5.9.1988
Selected format:Paints and varnishes--Determination of “soluble” metal content--Part 5:Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form--Diphenylcarbazide spectrophotometric method
Standard published on 5.9.1988
Selected format:Paints and varnishes--Determination of “soluble” metal content--Part 6:Determination of total chromium content of the liquid portion of the paint--Flame atomic absorption spectrometric method
Standard published on 5.9.1988
Selected format:Paints and varnishes--Determination of “soluble” metal content--Part 7:Determination of mercury content of the pigment portion of the paint and of the liquid portion of water-dilutable paints--Flameless atomic absorption spectrometric method
Standard published on 5.9.1988
Selected format:Paints and varnishes--Preparation of acid extracts from paints in liquid or powder form
Standard published on 5.9.1988
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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