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GB - Chinese national standards - Page 5621

Standards GB - Chinese national standards - Page 5621

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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Preview GB/T 12005.5-1989 25.12.1989

GB/T 12005.5-1989 WITHDRAWN

Determination for residual acrylamide content of polyacrylamide—Gas chromatograghy

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Preview GB/T 12006.1-1989 25.12.1989

GB/T 12006.1-1989 WITHDRAWN

Polyamides—Determination of viscosity number

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Preview GB/T 12006.2-1989 25.12.1989

GB/T 12006.2-1989 WITHDRAWN

Polyamides—Determination of water content

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Preview GB/T 12006.3-1989 25.12.1989

GB/T 12006.3-1989 WITHDRAWN

Polyamides—Determination of ash

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Preview GB/T 12007.1-1989 25.12.1989

GB/T 12007.1-1989 WITHDRAWN

Epoxide resins—Determination of color—Gardner color scale

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Preview GB/T 12007.4-1989 25.12.1989

GB/T 12007.4-1989 WITHDRAWN

Epoxide resins—Determination of viscosity

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Preview GB/T 12007.5-1989 25.12.1989

GB/T 12007.5-1989 WITHDRAWN

Epoxide resins—Determination of density—Pyknometer method

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Preview GB/T 12008.1-1989 25.12.1989

GB/T 12008.1-1989 WITHDRAWN

Polyether polyols—Designation

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Preview GB/T 12008.2-1989 25.12.1989

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Polyether polyols—Specification

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Preview GB/T 12008.3-1989 25.12.1989

GB/T 12008.3-1989 WITHDRAWN

Polyether polyols—Determination of hydroxyl number

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