Mixed Hydro carbon oil is a petroleum based product, having density 0.79-0.82. It is low density, low viscosity product which is used as raw material. It is a mixer of various Oils which contains lighter fraction and heavier oil. Mixed Hydrocarbon Oil uses for distillation, and we can get various products from it. Like Aluminum Rolling Oil, Printing Ink Oil, Glass Mould Oil and Base Oils and bottom (Residue) of Mix Hydrocarbon Oil is very useful as Fuel Oil.