Penetration Grade Bitumen Specification (AASHTO M 20 and ASTM D 946)
| Units | Bitumen 40/50 | Bitumen 60/70 | Bitumen 80/100 | Bitumen 100/120 | Test Methods | |
|---|---|---|---|---|---|---|
| Specific Gravity @25?C | – | 1.01-1.06 | 1.01-1.06 | 1.01-1.05 | 1.01-1.04 | ASTM D-70 |
| Penetration @25?C, 100gm, 5sec | 0.1MM | 40-50 | 60-70 | 80-100 | 100-120 | ASTM D-5 |
| Softening Point, Ring & Ball | ?C | 52-60 | 49-56 | 45-52 | 42-49 | ASTM D-36 |
| Ductility @25?C, after TFOT, Min | CM | 100 | 100 | 100 | 100 | ASTM D-113 |
| Loss on Heating, Max | %Wt | 0.2 | 0.2 | 0.5 | 0.5 | ASTM D-6 |
| Drop in Penetration after Heating, Max | % | 20.0 | 20.0 | 20.0 | 20.0 | ASTM D-6 & D-5 |
| Flash Point Cleveland open cup, Min | ?C | 250.0 | 250.0 | 232.0 | 250.0 | ASTM D-92 |
| Solubility in CS2, Min | %Wt | 99.5 | 99.5 | 99.5 | 99.5 | ASTM D-4 |
| Organic Matter Insoluble in CS2, Max | %Wt | 0.5 | 0.5 | 0.5 | 0.5 | ASTM D-4 |
| Sport Test | – | Negative | Negative | Negative | Negative | *A.A.S.H.O.T.102 |
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TDS | TDS | TDS | TDS | ||
*American association of state highway officials
