Vialite-Haft Testgerät

The Vialit plate (adhesion test) apparatus is used for determining the rate of spread of coated chippings on the road surface.

The method is a check on the adhesion of aggregates to be applied to the surface of wearing course rolled asphalt.

Supplied complete with;
• Metal basement with three vertical pointed rods to hold the test plate
• Flat Steel Plates, 6 pcs.
• Steel Ball, 512 g
• Rubber Wheel Roller, hand operated

How to Vialit plate (adhesion) Test;
The test plate, coated by bitumen on one face and spread with the aggregate chippings in a standard way is rolled using the roller and thenplaced on theb three-point support base.

The steel ball drops three times from the slot, and the chippings that become loose after the three impacts are counted and checked.