LOS ANGELES ABRASION TESTER (AG-191)

Category:

ASTM C131 • ASTM C535 • EN 1097-2

  • 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 srparately)
A 1/4”
6 mm
B 1/2”
12 mm
C 1”
25 mm
D 3 1/2”
90 mm
G 7 1/2”
190 mm
H
(Drum Width)
20”
510 mm
Ø
(Drum Diameter)
28”
711 mm
 

 

  • Collecting tray
  • Automatic digital counter
  • The drum rotates at 31 – 33 rpm
  • 220 – 240 V / 50 – 60 Hz