Scratch Hardness Apparatus

Scratch Hardness Apparatus


This apparatus is used in the field to determine the quantity of soft particles in coarse aggregate. It consists of a metal rod with a rounded point of 1.6 mm diameter, which is mounted in a device so that a load of 8.9 ± 4 N is applied to the test specimen. 


  ASTM C851‰ASTM C235

Technische specificaties

Technical Specifications

  • Dimensions: 150 x 200 x 320 mm
  • Weight: 8 kg (approx.)

Order nummers


Scratch hardness apparatus


Accessoires & toebehoren