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
Industrial sodium tripolyphosphate
Standard published on 15.3.2004
Selected format:Test methods for industrial sodium tripolyphosphate
Standard published on 28.5.2008
Selected format:Detergents for hand dishwashing
Standard published on 30.12.2022
Selected format:Glass contains - Manufacture - Vocabulary
Standard published on 30.12.2011
Selected format:Test method for alkali resistance of porcelain enamels
Standard published on 31.10.2025
Selected format:Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 1: Determination of resistance to chemical corrosion by acids at room temperature
Standard published on 9.10.2015
Selected format:Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2: Determination of resistance to chemical corrosion by boiling acids, boiling neutral liquids, alkaline liquids and/ or their vapours
Standard published on 29.8.2025
Selected format:Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 3:Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel or a tetragonal glass bottle
Standard published on 29.8.2025
Selected format:Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel
Standard published on 9.10.2015
Selected format:Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 5: Determination of resistance to chemical corrosion in closed systems
Standard published on 9.10.2015
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
© Copyright 2026 NORMSERVIS s.r.o.