Table 2. Properties of Neat Fuel Blend Components.
| property | method | RD-1 | biodiesel | ULSD-A |
|---|---|---|---|---|
| flash point (°C) | D6450 | 72 | 161 | 73 |
| cloud point (°C) | D5773 | –19.6 | –0.6 | –26.2 |
| distillation T90 (°C) | D86 | 296 | 352a | 333.9 |
| kinematic viscosity at 40 °C (mm2/s) | D7042 | 3.062 | 4.055 | 3.239 |
| density at 15 °C (g/mL) | D7042 | 0.780 | 0.884 | 0.843 |
| surface tension at 20 °C (mN/m) | D1331 | 26.1 | 30.6 | 27.9 |
| water content (ppm)b | D6304 | 16/85 | 193/1567 | 26/80 |
| CN (as ICN) | D8183 | 79 | 52 | 48.7 |
| sulfur (ppm) | D5453 | <0.5 | <0.5 | 5.3 |
| hydrogen (wt %) | D5291 | 14.824 | 11.457 | 13.34 |
| lower heating value (MJ/kg) | D240 | 43.91 | 37.33 | 43.12 |
| oxidation stability (h) | EN 15751 | 4.7 | ||
| oxidation stability (min) | D7545 | 93 | 19 | 79 |
| lubricity (μm) | D6079 | 410,c 590,d and 350e | 390 | |
| aromatics (vol %) | GC × GC | 27.8 | ||
| monoglycerides (wt %) | D6584 | 0.113 | ||
| cold soak filterability (s) | D7501 | 85 |
a
D1160.
b
As received/saturation.
c
As received.
d
After treating with silica gel to remove the lubricity additive.
e
After silica gel treating and blending with 5% biodiesel.