Accelerated Polishing Machine

This apparatus is used to measure the polished stone value, which is a measure of the resistance to polishing under the action of vehicle tyres, and is a fundamental test which is often used when selecting aggregate for road surfacing material.
The machine provides a method of preparing polished stone specimens for the use with the skid tester when used in a laboratory environment (see *****)
Supplied complete with road wheel, tyred wheels, corn emery, flour emery, tool kit,
set of four specimen moulds, and two mould plates.

Road wheel speed: 315 / 325 R.P.M
Electric motor: 1/2 HP fan-cooled
Dimensions: 1520 x 720 x 740 mm

BS 812 part 144
BS EN 1097-8