Proportional calibrator

Reference: AR089
Standards: ASTM D4791

It is used for the rapid determination of percentages of flat and elongated particles in coarse aggregate fractions of 3/8″ (9.5 mm) or larger.

It consists of an 8″x16″ (203.2×406.4 mm) base with rubber feet, two fixed posts and a 12″ (305 mm) pivoting arm.

Weight: 3 Kg

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