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Los Angles abrasion testing machine : 2386 (P-
IV), ASTM C131,C535.
Tests for resistance to abrasion in crushed rock, slag, crushed and uncrushed gravel, using Los Angeles testing method.
Consists of a hollow steel cylinder, close at both ends, having an inside diameter of 700 mm and an inside length of 500mm. The cylinder mounted on a sturdy frame on ball bearings. The
opening shall be closed dust-tight with a removable cover bolted in place. A detachable shelf which extends through of the drum catches the abrasive charge and does not allow it to fall on the cover. The drum is rotated at a speed of 30-33 r.p.m by an electric motor through a heavy duty reduction gear.
Supplied complete with a tray for collection of