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Standards GB - Chinese national standards - Page 31
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 10335.4-2017
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Coated paper and board—Coated folding board
Standard published on 1.11.2017
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GB/T 10335.5-2023
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Coated paper and board—Part 5Coated linerboard
Standard published on 28.12.2023
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GB/T 10335.6-2023
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Coated paper and board—Part 6: Water-based coated paper
Standard published on 28.12.2023
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GB/T 10336-2002
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Pulps--Determination of fiber length by automated optical analysis(Polarized light method)
Standard published on 15.10.2002
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GB/T 10337-2008
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Raw material and pulp - Determination of acid - soluble lignin
Standard published on 19.8.2008
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GB/T 10338-2008
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Pulps - Determination of carboxyl content
Standard published on 19.8.2008
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GB/T 10339-2018
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Paper, board and pulp—Determination of light scattering and absorption coefficients(Kubelka-Munk method)
Standard published on 28.12.2018
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GB/T 1034-2008
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Plastics - Determination of water absorption
Standard published on 4.8.2008
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GB/T 10340-2008
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Paper and board - Determination of filtering rate
Standard published on 19.8.2008
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GB/T 10342-2002
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Paper--Package and mark
Standard published on 15.10.2002
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