Accelerated Polishing Machine

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 48-B0190 when used in a laboratory environment. Supplied complete with road wheel, side plate, rubber rings, tired wheels, drive belt, abrasive feed mechanism, corn emery, flour emery, tool kit, set of 4 specimen moulds, and 2 mould plates.