It is suitable for various stones abrasion test so as to determine the quality of the stone.
Los Angeles Abrasion Tester is used to determine the stone capability to resist friction, to be impacted, and to shear edge.
The tester should be mounted on flat and firm concrete bed and fix it with base screws.
After connected power, trigger the switch (preset revolution: 1r/min.) to check if the rotating direction of the tester accords with the narrow direction.
After preset revolutions, switch on and check if it will stop automatically according to the revolutions to be preset.
After finished the calibration, put the steel balls and stone material into the cylinder and close the cover of the tester well, to set revolutions and then start the test.
30 – 33r/min.
Total mass of the steel balls
Mass of steel ball
390 – 445g/ea.