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
Flexible cellular polymeric materials—Sponge and expanded cellular rubber products—Specification—Part 2Mouldings and extrusions
Standard published on 9.3.2022
Selected format:Polymeric materialscellular flexible--Method of assessment of air flow value at constant pressure-drop
Standard published on 10.1.2003
Selected format:Rubber-coated fabrics--Determination of rubber-to-fabric adhesion--Direct tension method
Standard published on 10.1.2003
Selected format:Rubber hoses and hose assemblies for underground mining--Wire-reinforced hydraulic type
Standard published on 10.1.2003
Selected format:Rubber hoses and tubing for cooling systems for automotives—Specification
Standard published on 29.8.2025
Selected format:Rubber and plastics hoses--Assessment of ozone resistance under dynamic conditions
Standard published on 10.1.2003
Selected format:Rubber and plastics hoses—Methods of exposure to laboratory light sources—Determination of changes in colour, appearance and other physical properties
Standard published on 7.9.2023
Selected format:Rubber compounding ingredients--Zinc oxide--Test methods
Standard published on 10.1.2003
Selected format:Rubber compounding ingredients—Sulfur and methods of test
Standard published on 29.12.2017
Selected format:Rubber compounding ingredients--Stearic acid--Definition and test methods
Standard published on 10.1.2003
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
© Copyright 2026 NORMSERVIS s.r.o.