ASPHALT 
Specification Grade60/70  Gr 80/100 ASTM & IP
Penetration at 25 C°, min (60-70)     (80-100) IP 49 / 76
Melting point ( R.B)C° (46-55)       (40-50) ASTMD -87 / 74
Ductility , cm at 25 C° min, 100       100 IP-32 / 55 (757)
Flash point (open cup ) min, C° 250   220 ASTMD- 32 / 55 (75 )
Solubility in CS2 % wt . min  99     99 ASTMD- 2042 / 66 (72)
Loss on heating at 163 C° for 4 hrs% wt. max. 1.0   1.0 IP 45 / 58 ( 74 )
percent of decrease in penetration after heating

at163 C° for 4 hrs wt % max.

25     30 IP 49 / 76