Bitumen 80/100 Test method Unit Specification Specific gravity @ 25°c ASTM D70 Kg/cm3 1.01/1.06 Penetration @ 25°c ASTM D5 mm/10 80/100 Softening point °c ASTM D36 °C 42/50 Ductility @25 °c ASTM D113 cm 100 min Loss on heating(wt) % ASTM D6 wt % 0.2 max Drop in penetration after heating % ASTM D5-D6 % 20 max Flash point °c ASTM D92 °C 250 min Solubility is CS2(wt) % ASTM D4 wt % 99.5 min Spot test A.A.S.H.O.T102 Negative