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See Chinese contents: GB/T 4502-2023 GB/T 4502-2023: Laboratory test methods for passenger car tyres capabilities
This document describes the laboratory test methods for performance testing of passenger car tyres, including test equipment and its precision, test conditions, test procedures, judgment rules and test reports. This document includes the bead unseating resistance test, strength performance test, high-speed test, endurance test and low-pressure performance test for tyres. Of the test methods proposed, only the applications of some test methods depend on the type of tyre to be tested (tube or tubeless tyres, diagonal tyres or radial tyres, etc.). The test methods listed in this document are not suitable for grading the performance or quality level of tyre products. This document is applicable to new passenger car pneumatic tyres and retreaded passenger car pneumatic tyres. Other tyres can be tested with reference to this document after consultation and agreement of relevant parties.
