Bitumen 85/100 Specific gravity 1.00/1.05 d.70 Penetration 85/100 d.5 Softening point 45-52 d.36 Ductility 25 ic 100 min d.113 Drop in penetration After heating 20 max d.6 Loss of heating % wt 0.5 max d.6 Flash point 225 min d.92 Solubility in cs2% wt 99.5 min d.4 Spot test negative a.A.S.H.O.T 102 Specification of bitumen 60/70 Specific gravity 1.01/1.06 D.70 Penetration 60/70 d.5 Softening point 49-59 d.36 Ductility 25 ic 100 min d.113 Drop in penetration After heating 20 max d.6 Loss of heating % wt 0.2 max d.6 Flash point 250 min d.92 Solubility in cs2% wt 99.5 min D.4 Spot test negative a.A.S.H.O.T 102