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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
Tissue paper and tissue products—Part2:Determination of thickness,bulking thickness and apparent bulk density
WITHDRAWN published on 30.9.2009
Selected format:Tissue paper and tissue products—Part 3:Determination of tensile strength,stretch at break and tensile energy absorption
WITHDRAWN published on 30.9.2009
Selected format:Tissue paper and tissue products—Part 4:Determination of wet tensile strength
WITHDRAWN published on 30.9.2009
Selected format:Tissue paper and tissue products—Part 6:Water-absorption time and water-absorption capacity(basket-immersion test method)
WITHDRAWN published on 30.9.2009
Selected format:Tissue paper and tissue products—Part 7:Determination of ball burst strength
WITHDRAWN published on 30.9.2009
Selected format:Determination of sulphated ash from additives and lubrication oil with additives
WITHDRAWN published on 1.1.1981
Selected format:General security technical specification for domestic sanitary insecticide
WITHDRAWN published on 30.9.2009
Selected format:Metal halide lamps (NaI-TlI-InI3 series)—Performance requirements
WITHDRAWN published on 30.9.2009
Selected format:Railway applications—Electromagnetic compatibility—Part 1:General
WITHDRAWN published on 30.9.2009
Selected format:Railway applications—Electromagnetic compatibility—Part 2:Emission of the whole railway system to the outside world
WITHDRAWN published on 30.12.2011
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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