Table 2
Properties for SAME, SAME blend and diesel.
Fuel property | Testing method | Diesel | SAME | SAME blend | Standard value as per ASTM D 6751-07b |
---|---|---|---|---|---|
Viscosity at 40 °C (mm2/s) | Redwood viscometer | 3.3 | 4.1 | 3.62 | 1.9–6.0 |
Flashpoint (°C) | ASTM D 92 | 70 | 169 | 80 | 130 min |
Calorific value (kJ/kg) | ASTM D 240-02 | 43 000 | 39 436 | 42 455 | ~38912.7 |
Distillation temperature T90 (°C) | ASTM D86 | 335 | 345 | 337 | 360 max |
Specific gravity | – | 0.850 | 0.889 | 0.845 | 0.88 |
Acid number (mg KOH/gm) | – | – | 0.48 | – | 0.50 max |
Calculated cetane index | ASTM D 4737 | 48.9 | 53.3 | 52.14 | 47 min |