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
Gypsum and anhydrite
WITHDRAWN published on 27.5.1996
Selected format:Natural gypsum
WITHDRAWN published on 30.6.2008
Selected format:Methods for chemical analysis of gypsum
WITHDRAWN published on 18.12.2000
Selected format:Methods for chemical analysis of gypsum
WITHDRAWN published on 31.12.2012
Selected format:Sampling schemes and methods for expanded perlite insulation
WITHDRAWN published on 1.1.1985
Selected format:Test methods of inorganic rigid thermal insulation—Appearance qulity
WITHDRAWN published on 29.4.2001
Selected format:Test methods of inorganic rigid thermal insulation—Mechanical properties
WITHDRAWN published on 29.4.2001
Selected format:Test methods of inorganic rigid thermal insulation—Density and moisture content and water absorption
WITHDRAWN published on 29.4.2001
Selected format:Test methods of inorganic rigid thermal insulation—Properties after heat soaking
WITHDRAWN published on 29.4.2001
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-06-09 (Number of items: 2 281 484)
© Copyright 2026 NORMSERVIS s.r.o.