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Standards GB - Chinese national standards - Page 8854
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 9270-1988
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Determination of contrast ratio of light coloured paints(using polyester film)
WITHDRAWN published on 4.6.1988
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GB/T 9271-1988
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Paints and varnishes—Standard panels for testing
WITHDRAWN published on 4.6.1988
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GB/T 9272-1988
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Determination of volume of dry coating (non-volatile matter) in a given volume of liquid coating
WITHDRAWN published on 4.6.1988
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GB/T 9275-1988
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Paints and varnishes—Buchholz indentation test
WITHDRAWN published on 4.6.1988
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GB 9276-1988
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WITHDRAWN published on 1.1.1988
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GB 9277.1-1988
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Evaluation of degradation of paint coatings--Part 1: General principles and rating schemes
WITHDRAWN published on 1.1.1988
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GB 9277.2-1988
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Evaluation of degradation of paint coatings--Part 2: Designation of degree of blistering
WITHDRAWN published on 1.1.1988
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GB 9277.3-1988
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Evaluation of degradation of paint coatings--Part 3: Designation of degree of rusting
WITHDRAWN published on 1.1.1988
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GB 9277.4-1988
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Evaluation of degradation of paint coatings--Part 4: Designation of degree of cracking
WITHDRAWN published on 1.1.1988
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GB 9277.5-1988
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Evaluation of degradation of paint coatings--Part 5: Designation of degree of flaking
WITHDRAWN published on 1.1.1988
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