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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
Glazed interior tiles
WITHDRAWN published on 1.1.1992
Selected format:Ceramic tiles
WITHDRAWN published on 7.2.2006
Selected format:Dry-pressed ceramic tiles—Part 1:Porcelain tiles (E0.5%)
WITHDRAWN published on 1.11.1999
Selected format:Dry-pressed ceramic tiles—Part 2:Stoneware porcelain tiles(0.5%E3%)
WITHDRAWN published on 1.11.1999
Selected format:Dry-pressed ceramic tiles—Part 3:Fine stoneware tiles(3%E6%)
WITHDRAWN published on 1.11.1999
Selected format:Dry-pressed ceramic tiles—Part 4:Stoneware tiles(6%E10%)
WITHDRAWN published on 1.11.1999
Selected format:Dry-pressed ceramic tiles—Part 5:Fine earthenware tiles(E10%)
WITHDRAWN published on 1.11.1999
Selected format:Methods for chemical analysis of bastnaesite concentrates--The gravimetric method for the determination of total rare earth oxide content
WITHDRAWN published on 1.1.1983
Selected format:Methods for chemical analysis of bastnaesite concentrates--The polarographic method for the determination of europium oxide content
WITHDRAWN published on 1.1.1983
Selected format:Methods for chemical analysis of high-titanium slag and rutile--The ammonium ferric sulfate volumetric method for the determination of titanium dioxide content
WITHDRAWN published on 27.12.1983
Selected format:Latest update: 2025-11-10 (Number of items: 2 243 715)
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