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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
Test method for determining mechanical and physical properties of electric cables and wires. Test for water absorption·Voltage test method
WITHDRAWN published on 1.1.1994
Selected format:Electric wires and cables--Test method for resistance of P. V. C insulation to cracking
WITHDRAWN published on 1.1.1983
Selected format:Test method for determining mechanical and physical properties of electric cables and wires. Test for resistance of P. V. C. insulations to cracking
WITHDRAWN published on 1.1.1994
Selected format:Electric wires and cables--Test method for resistance of P. V. C. sheath to cracking
WITHDRAWN published on 1.1.1983
Selected format:Test method for determining mechanical and physical properties of electric cables and wires. Test for resistance of P. V. C. sheaths to cracking
WITHDRAWN published on 1.1.1994
Selected format:Electric wires and cables--Shrinkage test method
WITHDRAWN published on 1.1.1983
Selected format:Test method for determining mechanical and physical properties of electric cables and wires. Shrinkage test
WITHDRAWN published on 1.1.1994
Selected format:Electric wires and cables--Tear test method
WITHDRAWN published on 1.1.1983
Selected format:Test method for determining mechanical and physical properties of electric cables and wires--Tear test
WITHDRAWN published on 7.7.1994
Selected format:Electric wires and cables--Test method for resistance to ozone
WITHDRAWN published on 1.1.1983
Selected format:Latest update: 2026-03-16 (Number of items: 2 266 785)
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