1.Application It is mainly used to measure the wear-resisting property of concrete paving block. By the grinding between corundum and sample to calculate the loss in specimen volume. 2.Test method: En 14157 natural stones---determination of abrasion resistance method b:bohme abrasion test 3.Specifications 1diameter of abrasion disc750mm 2abrasive load2943n 3disc rotating speed301rpm 4disc hardness190hb220 5distance between center of sample and center of disc220mm 6test sample(71x71) 1.5mm 7control modedigital control and auto stop when set cycle time is reached 8voltage and powersingle phase, ac220v, 50hz