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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
Rubber compounding ingredients—Pelletized carbon black—Part 2:Determination of fines content and pellet attrition
WITHDRAWN published on 1.8.2006
Selected format:Rubber compounding ingredients--Carbon black, pelleted--determination of pellet attrition
WITHDRAWN published on 1.1.1993
Selected format:Rubber compounding ingredients—Carbon black,pelletized—determination of pellet attrition
WITHDRAWN published on 29.5.2002
Selected format:Rubber compounding ingredients--Carbon black, pelletized--Determination of mass strength
WITHDRAWN published on 1.1.1993
Selected format:Rubber compounding ingredients—Carbon black,pelletized—Determination of mass strength
WITHDRAWN published on 29.5.2002
Selected format:Rubber compounding ingredients--Carbon black, pelletized--Determination of pellet size distribution
WITHDRAWN published on 1.1.1993
Selected format:Rubber compounding ingredients—Carbon black,pelletized—Determination of pellet size distribution
WITHDRAWN published on 29.5.2002
Selected format:Rubber compounding ingredients--Carbon black, pelletized--Determination of individual pellet crushing trength
WITHDRAWN published on 1.1.1993
Selected format:Rubber compounding ingredients—Carbon black,pelletized—Determination of individual pellet crushing strength
WITHDRAWN published on 29.5.2002
Selected format:Rubber compounding ingredient-Carbon black,pelletized-Specification
WITHDRAWN published on 31.5.1994
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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