Vialit plate
BA159
EN 12272-3
Used to assess the adhesion property of aggregates to bitumen. The test is performed to check how well aggregates applied to the surface of wearing course rolled asphalt will adhere.
The apparatus consists of a metal base with three vertical pointed rods to hold the test plate, a 50 cm high vertical rod with a chute at the upper end for the steel ball to drop from, a 512 g steel ball, a supply of 6 metal test plates, and a hand-operated rubber-lined roller with lead shot ballast.