Experimental Investigation on Usage of Palm Oil as a Lubricant to Substitute Mineral Oil in CI Engines

Table 3

Physical characteristics of SAE 20W40 and palm oil.

Typical properties	SAE 20W40	Palm oil
Specific gravity @ 20°C	0.855	0.865
Kinematic viscosity, cSt @ 40°C	120	40.24
Kinematic viscosity, cSt @ 100°C	14–16	7.89
Viscosity index,	110	188
Flash point, °C	220	280
Pour point, °C	−21	9