DETERMINATION OF THE POLISHED STONE VALUE It measures the resistance of road aggregates, paving stones, paving blocks, to the polishing action of vehicle tyres on a road surface.The specimens are manufactured with suitable moulds.The specimen is than located on the Road Wheel accepting 14 specimens....
The tester measures the energy loss when a rubber slider edge is propelled over the surface under test.The release mechanism of the pendulum arm has an original solution reducing the friction to minimum for better accuracy.The skid tester is supplied complete with: Additional incorporated sca...
AGGREGATE ABRASION VALUE (AAV) DETERMINATIONThe test measures the resistance of aggregates to surface wear by abrasion. Inadequate abrasion of road-surfacing aggregates leads to an early loss of the texture depth required to keep high-speed skidding resistance.The machine consists of a heavy duty ma...
Control Stones, ungraded, PSV 50-60 conforming to EN 1097-8:2020. Bag of 5 kg.
A128NControl stones, graded, PSV 50-60 conforming to EN 1097-8:2020. Bag of 5 kg.
A128NNo results