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| fuel properties | ASTM method used | ASTM D6751 biodiesel | WCO biodiesel |
|---|---|---|---|
| kinematic viscosity (40 °C, mm2/s) | D445 | 1.9–6.0 | 5.04 |
| density (40 °C, g/cm3) | D5002 | 0.86–0.90 | 0.871 |
| specific gravity (40 °C, g/cm3) | D287 | 0.88 | 0.876 |
| flash point (°C) | D93 | 100–170 | 132 |
| acid value (mg KOH/g) | D664 | 0.5 | 0.15 |
