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
Plastics - Unplasticized poly (vinyl chloride) (PVC-U) moulding and extruded materials - Part 2: Preparation of test specimens and determination of properties
Standard published on 18.9.2008
Selected format:Sealing strips for plastic doors and windows
Standard published on 25.12.1989
Selected format:
Sealing strips for plastic doors and windows
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Unplasticized polyvinyl chloride(PVC-U) windows - Determination of dimensions
Standard published on 4.8.2008
Selected format:Polyvinyl chloride paste--Determination of apparent viscosity by the Brookfield test method
Standard published on 25.8.2003
Selected format:Determination of limiting viscosity number of polyacrylamide
Standard published on 25.12.1989
Selected format:Determination for molecular weight of polyacrylamide by viscometry
Standard published on 12.12.1992
Selected format:Determination of solid content of polyacrylamide
Standard published on 25.12.1989
Selected format:
Polyacrylamide—Part 2Determination of properties
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:
Polyacrylamide—Part 3: Requirements for general materials
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Latest update: 2026-07-29 (Number of items: 2 290 440)
© Copyright 2026 NORMSERVIS s.r.o.