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See Chinese contents: GB/T 42359-2023 GB/T 42359-2023: Laboratory buffing method for wet, ice and snow testing of passenger car tyres
This document describes the laboratory buffing method for passenger car tyres used for relative grip performance testing on wet, ice and snow roads, including test equipment and instruments, preparations before grinding, grinding conditions, grinding procedures, judgment rules of grinding inspection, and grinding test report. This document applies to the laboratory buffing of new passenger car pneumatic tyres for testing.
