Standards GB - Chinese national standards - Page 5595

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GB/T 15818-1995 WITHDRAWN

Testing method for biodegradability of anionic and nonionic surfactants

WITHDRAWN published on 8.12.1995

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GB/T 15818-2006 WITHDRAWN

Test method for biodegradability of surfactants

WITHDRAWN published on 21.8.2006

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GB/T 15819-1995 WITHDRAWN

Test method and specifications of susceptibility for environmental stress-cracking induced by insert-type fittings in low density polyethylene (PE)25 pipes for irrigation laterals

WITHDRAWN published on 8.12.1995

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