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. 2024 Mar 7;10(6):e27619. doi: 10.1016/j.heliyon.2024.e27619

Table 2.

Physicochemical properties of soybean oil, FAEE and its blends.

Property OIL FAEE FAEE with additive B15 B20 B25 B15E2M B20E2M B25E2M Diesel EN-14214 ASTM D6751 ASTM D975
Density at 15 °C (kg/m3) 910 890 885 840 843 848 835 639 845 830 860–900 880 850
Viscosity at 40°C (mm2/s) 37.7 5.7 5.08 3.7 3.9 4.1 3.5 3.6 3.8 3.4 3.5–5.0 1.9–6.0 1.3–4.1
Calorific value (MJ/Kg) _ 42 41.6 46 45 44 47 45 44 48 35 Min40 42–46
Flash point (°C) _ 185 169 66 69 74 54 58 62 53 Min120 Min130 Min 52
Acid number mg KOH/g 1.36 _ _ _ _ _ _ _ _ Max 0.5 Max 0.5
Iodine value 157.6 _ _ _ _ _ _ _ _ Max 120
Oxidative stability at 110 °C (hour) _ 4.5 19.98 _ _ _ _ _ _ _ Min 6 Max 3
Pour point (◦C) _ −3.5 −2.5 _ _ _ _ _ _ _ −15 to −16 −35
Cloud point (◦C) _ −7.2 6.2 _ _ _ _ _ _ _ −3 to −12 −20
Saponification value (mg KOH/g) 193.8 _ _ _ _ _ _ _ _