Used to measure the resistance of road stone to the polishing action of vehicle tires on a road surface. This machine provides a method of preparing polished stone specimens for use with the friction tester when used in a laboratory environment.

1) Dimensions(L*w*h) : 500*650*1000mm(bottle fitted)

2) Rated power : 400W

3) Road wheel : outer dia.406mm

    Rubber wheel: outer dia.200mm, width 44mm, hardness 691RHD+/-3

4) Applied load on specimens : 725+/-10N

    Liquidity: 60ml/min

5) Feed rates

     Corn emery : 20 to 34g/min

     Water: 20 to 34 ml/min

     Flour emery: 2 to 4 g/min

     Water: 5 to 8 ml/min