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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
Standard guide for carbon black—Validation of test method precision and bias
WITHDRAWN published on 22.12.1994
Selected format:Standard guide for carbon black—Validation of test method precision and bias
WITHDRAWN published on 18.6.2008
Selected format:Carbon black in NBR (acrylonitrile-butadiene rubber)—Recipe and evaluation method
WITHDRAWN published on 22.12.1994
Selected format:Peanut oil
WITHDRAWN published on 6.5.1986
Selected format:Peanut oil
WITHDRAWN published on 11.11.2003
Selected format:Rubber, raw, natural and synthetic Sampling and further preparative procedures
WITHDRAWN published on 22.12.1994
Selected format:Rubber, raw natural and raw synthetic—Sampling and further preparative procedures
WITHDRAWN published on 1.4.2008
Selected format:Talc Lumps
WITHDRAWN published on 22.12.1994
Selected format:Talc lumps
WITHDRAWN published on 31.12.2012
Selected format:Talc powder
WITHDRAWN published on 22.12.1994
Selected format:Latest update: 2026-03-29 (Number of items: 2 269 691)
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