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Utest Material Testing Equipment

Polished Stone Value / Resistance to Polishing

Product Code


Accelerated Polishing Machine (PSV)


Specimen Mould with a Cover, for UTA-0810


Corn Emery 5 kg, for UTA-0810


Flour Emery 5 kg, for UTA-0810


PSV Control Stone, 20kg Ungraded, for UTA-0810


Friction Tester Reference

(Criggion Stone) 20kg Ungraded, for UTA-0810

Models for 220-240V 50-60 Hz, 1 ph.


Models for 110-120V 60 Hz, 1 ph.



EN 1097-8

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, UTA-0814 PSV Control Stone, UTA-0815 Friction Tester Reference Stone and additional UTA-0811 Specimen Mould with a Cover 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 Rings ( 2 pcs.)

Road Wheel Speed

315 to 325 r.p.m


940x500x1840 mm

Weight (approx.)

235 kg


850 W