Aggregates (4) Digital rock strength index apparatus 100 kN ASTM D5731 Los Angeles Machine EN 12697-17 EN 12697-43 EN 1097-2 ASTM C131 Micro – Deval – device according to EN 1097-1, EN 13450, ASTM D6928 and ASTM D7428 Profilometer (Barton comb)
