This document provides the principle of measurement of the coefficient of friction and describes the method for determining the coefficient of friction between rubber and a standard test plane, the rubber material itself or between rubber and other specified surfaces.
GB/T 40721-2021 Referenced Document
GB/T 17200-2008 Technical specification for tensile, compression and flexural testing machines for rubber an plastics (constant rate of traverse)
ISO 23529 Rubber - General procedures for preparing and conditioning test pieces for physical test methods
GB/T 40721-2021 history
2021GB/T 40721-2021 Rubber—Determination of frictional properties