Strength Sp.grav. Moisture 11.14 0.499 11.1 12.74 0.558 8.9 13.13 0.604 8.8 11.51 0.441 8.9 12.38 0.55 8.8 12.6 0.528 9.9 11.13 0.418 10.7 11.7 0.48 10.5 11.02 0.406 10.5 11.41 0.467 10.7