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CONCRETE & CEMENT TESTING EQUIPMENT - LOS ANGELES ABRASION TESTER

Los Angeles Abrasion Tester

Los Angeles Abrasion Tester is used for testing of coarse aggregates, with a maximum size smaller than 37.5 mm (1-½”), for resistance to degradation. It is considered as an indicator of the relative quality or competence of various sources of aggregate having similar mineral compositions.

  • A combination of actions including abrasion or attrition, impact, and grinding in a rotating steel drum containing a specified number of steel spheres along with the test specimen.
  • Consists of a hollow steel cylinder, with a wall thickness of 12 mm (1/2”) closed at both ends having an inside diameter of 711 mm (28”), and an inside length of 508 mm (20”).
  • The drum rotates at 31 – 33 rpm.
  • Supplied with an automatic digital counter that shows the number of revolutions for the drum.
  • Supplied less with abrasive charges (should be ordered separately)
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