We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Paper —Determination of softness
WITHDRAWN published on 6.9.2002
Selected format:Paper board and pulps--Determination ofcopper content
WITHDRAWN published on 29.3.1988
Selected format:Paper,board and pulp--Determination of copper content
WITHDRAWN published on 4.1.2008
Selected format:Paper board and pulps--Determination ofiron content
WITHDRAWN published on 29.3.1988
Selected format:Paper,board and pulp--Determination of iron
WITHDRAWN published on 4.1.2008
Selected format:Pulps paper and board--Determination ofmanganese
WITHDRAWN published on 29.3.1988
Selected format:Paper, boardand pulp--Determination of manganese
WITHDRAWN published on 4.1.2008
Selected format:Pulps paper and board--Determination of calcium and magnesium
WITHDRAWN published on 29.3.1988
Selected format:Paper,boaed and pulp--Determination of calcium and magnesium
WITHDRAWN published on 4.1.2008
Selected format:Pulps—Determination of saleable mass in lots—Part 1:Pulp baled in sheet form
WITHDRAWN published on 11.4.1988
Selected format:Latest update: 2026-01-01 (Number of items: 2 253 680)
© Copyright 2026 NORMSERVIS s.r.o.