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Standards GB - Chinese national standards - Page 8515
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 7040-1986
WITHDRAWN
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Rubber compounds for rotary shaft lip seals
WITHDRAWN published on 1.1.1986
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GB 7041-1986
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Method of accelerated determination for shelf-life of rubber static sealing parts
WITHDRAWN published on 1.1.1986
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GB/T 7042-1986
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Rubber properties determination in compression or shear (Yerzley mechanical oscillograph)
WITHDRAWN published on 24.11.1986
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GB/T 7043-1986
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Vulcanized rubber--Determination of metal content--Flame atomic absorption spectrometric method--Part 2: Determination of copper content
WITHDRAWN published on 1.1.1986
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GB 7044-1986
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WITHDRAWN published on 1.1.1986
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GB/T 7044-1993
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Colour black—Specification
WITHDRAWN published on 3.3.1993
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GB/T 7044-2003
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Colour carbon black
WITHDRAWN published on 11.10.2003
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GB/T 7044-2013
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Colour carbon black
WITHDRAWN published on 31.12.2013
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GB 7045-1986
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WITHDRAWN published on 1.1.1986
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GB/T 7045-1993
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Colour black. Determination of pH value
WITHDRAWN published on 3.3.1993
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