Polished Stone Value / Resistance to Polishing
Accelerated Polishing Machine (PSV) is used to simulate the polishing action of vehicle tyres on a road surface, for coarse aggregate which is going to be used as asphalt road surface covers.
Abrasive Corn Emery is fed to the point of contact of the wheel on the test surface for 3 hours, followed by feeding Emery Flour to polish the surface being tested for a further 3 hours. Subsequent skid tests are carried out on the test samples using suitable portable skid test equipment.
UTA-0812 Corn Emery, UTA-0813 Flour Emery, additional Specimen Mould with a Cover (UTA-0811 ) and PSV Control Stone should be ordered separately.
The Accelerated Polishing Machine is supplied complete with;
- Specimen Mould with a Cover ( 1 pcs.)
- Container - 2 pcs. For setting the mass ( one forflour and one for corn emery)
- Allen Key Set
- Rubber Tired Wheels (2 pcs.)