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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
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WITHDRAWN published on 1.1.1986
Selected format:Conveyor belts with duck carcass--Stipulation for ply splice
WITHDRAWN published on 1.1.1986
Selected format:Conveyor belts--Determination of ply adhesion
WITHDRAWN published on 26.8.1986
Selected format:Textile conveyor belts—Adhesive strength between constitutive elements—Test methods
WITHDRAWN published on 16.10.2002
Selected format:Chemical reagent—Acetic acid
WITHDRAWN published on 18.12.1990
Selected format:Flat belts--Determination of ply adhesion
WITHDRAWN published on 26.8.1986
Selected format:Flat transmission belting--Test method of full thickness tensile strength and elongation
WITHDRAWN published on 26.8.1986
Selected format:Rubber condoms--Determination of length
WITHDRAWN published on 1.1.1992
Selected format:Rubber condoms--Determination of width
WITHDRAWN published on 1.1.1992
Selected format:Rubber condoms--Testing for holes
WITHDRAWN published on 1.1.1992
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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