Used to determine the resistance to abrasion and wear of concrete products and natural stones, by measuring the length of a groove produced on the specimen surface through a disc with thickness of 70 mm that rotates at controlled speed and makes a constant pressure on the specimen.
A charge of abrasive material must be interposed between the disc and the specimen.
The instrument is supplied with an electronic speed controller and shutting off device after the set number of revolutions, 1 kg of abrasive material, a calibration plate comparable to bolognaise marble, accessories and cabinet conforming to CE Safety Directive.