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
Measuring methods for properties ofgyromagnetic materials intended for application at microwave frequencies
WITHDRAWN published on 30.6.1988
Selected format:Guide to the specification of limits for physical imperfections of parts made from magnetic oxides
WITHDRAWN published on 30.6.1988
Selected format:Gravimetric determination of smoke particulates from combustion of plastic materials
WITHDRAWN published on 8.7.1988
Selected format:Plastics--Film and sheeting--Determination of impact resistance--Free falling dart method
WITHDRAWN published on 8.7.1988
Selected format:Polymeric materials cellular flexible—Accelerated ageing tests
WITHDRAWN published on 7.7.1988
Selected format:Polyethylene (PE) pipes and fittings--Designation of polyethylene based on nominal density and melt flow rate
WITHDRAWN published on 8.7.1988
Selected format:Polyethylene (PE) pipes andfittings--Determination of melt flow rate
WITHDRAWN published on 8.7.1988
Selected format:Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drinking water supply--Extractability of leadtincadmium and mercury occurring as impurities--Test method and permitted levels
WITHDRAWN published on 8.7.1988
Selected format:Unplasticized polyvinyl chloride (PVC-U) pipes--Determination of water absorption
WITHDRAWN published on 8.7.1988
Selected format:Unplasticized polyvinyl chloride (PVC-U) pipes--Determination of resistance to acetone
WITHDRAWN published on 8.7.1988
Selected format:Latest update: 2024-09-04 (Number of items: 2 346 114)
© Copyright 2024 NORMSERVIS s.r.o.