A Comparison of the Stability Performance of Blends of Paraffinic Diesel and Petroleum-Derived Diesel, with RME Biodiesel Using Laboratory Stability Measurement Techniques

Table 5

Properties of the US 2-D diesel, evaluated in the current study.

Property	Unit	US 2D specification	Result
Cetane number, min		40	46.2
Cetane index, min		40	47
Sulphur (max)	ppm	15	12
Total aromatics, max	vol%	35	21.86
Viscosity @ 40°C, min/max	cSt	1.9–4.1	2.8
Distillation
T90 min/T90 max	°C	282–338	313
Flash point min	°C	52	81
Carbon residue 10% max	w%	0.35	0.05
Water and Sediment, max	vol%	0.05	NM^*
Ash max	w%	0.01	NM^*
Lubricity, HFRR wear scar diameter @ 60°C, micron max	micron	520	499
Copper corrosion (3 h @ 50°C) max		No 3	1B
Conductivity	pS/m	25	NM^*
Dye content, max	g/100 L		NM^*
FAME content, max	Vol%	5	NM^*

NM: not measured.