• Scratch Hardness Tester

Scratch Hardness Tester


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Determines quantity of soft particles in coarse aggregates on basis of scratch hardness

  • Determines the amount of soft particles in coarse aggregates based on scratch hardness.
  • The device has a rod diameter of 1/16" (1.6 mm).
  • Brass rod with rounded tip inserted in the piston.
  • Total weight of the brass rod and piston is 2 ± 0.1 lbs (8.9 ± 0.4 N).
  • The piston is mounted on a support, allowing the piston to move freely up and down.
  • Supplied with an additional brass rod.
  • Complies with ASTM C851 standard.
  • Shipping weight. 9 lbs (4 kg)


H-3421Scratch Hardness Tester - Brass Rod for use with H-3420, pkg. of 10


Cat. No.Description
HU3420-0000Aggregate Hardness Tester