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
Rubber seals-joint rings for water supply pipelines up to 110 Centigrade--Specification for materials
WITHDRAWN published on 1.1.1989
Selected format:Rubber, vulcanized--Performed compression seals for use between concrete motorway paving sections--Specification for material
WITHDRAWN published on 1.1.1989
Selected format:Rubber building gaskets--Materials for preformed solid vulcanized structural gaskets--Specification
WITHDRAWN published on 1.1.1989
Selected format:Rubber building gaskets--Materials in preformed solid vulcanizates used for sealing glazing and panels--Specification
WITHDRAWN published on 1.1.1989
Selected format:Rules for drafting molecular absorption spectrometry analysis standards
WITHDRAWN published on 1.1.1989
Selected format:V-belts--Specification of the fire-resistivity and the test method
WITHDRAWN published on 31.3.1989
Selected format:Antistatic endless V-belts--Electrical conductivity--Characteristic and method of test
WITHDRAWN published on 31.3.1989
Selected format:Belt drives—V-ribbed belts, joined V-belts and V-belts including wide section belts and hexagonal belts—Electrical conductivity of antistatic belts:Characteristics and methods of test
WITHDRAWN published on 16.10.2002
Selected format:Synchronous belt drives—Automotive belt—Determination of physical properties
WITHDRAWN published on 31.7.2000
Selected format:Synchronous belt--Test method for tooth shearing strength
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
© Copyright 2026 NORMSERVIS s.r.o.