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.

Specification

1) Dimensions(L*w*h) : 550*630*1600mm(bottle fitted)

2) Rated power : 400W

3) Road wheel : 315 to 325rpm

4) Applied load on specimens : 715 to 735N

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