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Standards GB - Chinese national standards - Page 6334
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 16913.11-1997
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Methods of dust character test—Part 11:Determination of field resistivity—Concentric rings method by means of filtration
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GB/T 16913.2-1997
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Methods of dust character test—Part 2:Determination of effective density—Pyknometer method
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GB/T 16913.3-1997
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Methods of dust character test—Part 3:Determination of bulk density—Natural bulk method
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GB/T 16913.4-1997
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Methods of dust character test—Part 4:Determination of dispersivity—Andreason pipette method
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GB/T 16913.5-1997
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Methods of dust character test—Part 5:Determination of reposeful angle—Poured angle of restrictive pile
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GB/T 16913.6-1997
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Methods of dust character test—Part 6:Determination of hygroscopy—Hygroscopicity method
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GB/T 16913.7-1997
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Methods of dust character test—Part 7:Determination of moisture content—Dry method
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GB/T 16913.8-1997
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Methods of dust character test—Part 8:Determination of immersion—Immersion speed method
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GB/T 16913.9-1997
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Methods of dust character test—Part 9:Determination of cohesion—Normal pull rift method
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GB 16914-1997
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General safety technique requirements of gas burning appliances
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