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See Chinese contents: GB/T 9766.2-2016 GB/T 9766.2-2016: Test method for tyre valves -- Part 2: Rubber base valves test methods
This Part of GB/T 9766 specifies the terms and definitions, test equipment, instruments and apparatuses of the rubber base valves (hereinafter referred to as ¡°valves¡±) test, as well as sealing performance test, adhesion strength test of rubber to metal, determination of adhesion rate and measurement of edge thickness of rubber seat. This Part is applicable to the valve test of inner tubes of industrial vehicles, agricultural vehicles, construction machinery, motorcycles, electric vehicles and rickshaws, etc. This Part is not applicable to the test of aviation tyre valves.
