The fatty acid composition and the important properties
of rubber seed oil in comparison with other oils is given in
Table 1 [8–12]. It consists of 18.9% saturation comprising
of palmitic and stearic acids and 80.5% unsaturation
comprising mainly of oleic, linoleic and linolenic acids.
Saturation fatty acid methyl esters increase the cloud point,
cetane number and improve stability whereas more polyunsaturates
reduce the cloud point and cetane number and
stability. The type and percentage of fatty acids contained in
vegetable oil depends on the plant species and on the growth
conditions of the plant. Though vegetable oils are of very
low volatility in nature, it quickly produces volatile
combustible compounds upon heating.