A072-10PROPORTIONALCALIPERSTANDARD:ASTMD4791Usedeitherforrapiddeterminationofpercentagesofflatandelongatedparticlesincoarseaggregatefractionsof?(9
A072-10 PROPORTIONAL CALIPER
STANDARD: ASTM D4791
Used either for rapid determination of percentages of flat and elongated particles in coarse aggregate fractions of ?" (9.5 mm) or larger. Consisting of 8"x16" (203.2x406.4 mm) base plate with rubber feets, two fixed posts and a 12" (305 mm) pivoting arm, allowing ratios of 1:2, 1:3, 1:4, 1:5 to be obtained.
Weight: 3 kg approx.
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