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Standards GB - Chinese national standards - Page 8288
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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GB/T 5549-1990
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Surface active agents—Determination of surface tension by drawing up liquid films
WITHDRAWN published on 18.12.1990
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GB 5550-1990
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WITHDRAWN published on 1.1.1990
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GB/T 5550-1998
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Surface active agents—Determination of dispersing power
WITHDRAWN published on 20.10.1998
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GB/T 5551-1992
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Surface active agents—Method for determination of total calcium and magnesium content in dispersing agents
WITHDRAWN published on 10.12.1992
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GB 5552-1985
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Surface active agents--Textile auxiliaries--Method for testing of leveling properties of leveling agents for vat dyeings on cellulosic fibres
WITHDRAWN published on 1.1.1985
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GB/T 5553-1985
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Surface active agents—Textile auxiliaries—Method for determination of water repellency of waterprooting agents—Hydrostatic pressure test
WITHDRAWN published on 29.10.1985
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GB/T 5554-1985
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Surface active agents—Textile auxiliaries—method for determination of water repellency of waterprooting agents—Spray test
WITHDRAWN published on 29.10.1985
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GB/T 5555-1985
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Surface active agents--Textile auxiliaries--Method for determination of acid stability
WITHDRAWN published on 29.10.1985
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GB/T 5556-1985
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Surface active agents--Textile auxiliaries--Method for determination of alkaline stability
WITHDRAWN published on 29.10.1985
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GB 5557-1985
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Surface active agents--Textile auxiliaries--Determination of penetrating power by dip-wetting method
WITHDRAWN published on 1.1.1985
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