Crude Linseed Oil
Linseed oil is also known by other popular names like flaxseed oil or flax oil. This oil characterized by a colorless to yellow color is derived from seeds of the flax plant (Linum usitatissimum). Only seeds of the plant that are dried & ripened are used for pressing the oil. The oil pressing process is then followed by the solvent extraction method.
This edible oil enjoys demand as a nutritional supplement, and is also consumed as a potent source of α-Linolenic acid, which is considered an omega-3 fatty acid.
In addition to its use as an edible oil, Linseed Oil is also utilized in the preservation of concrete and wood. Thus, its use is also seen during formulation of paints, varnishes, soaps, stains, inks, etc. When used along with mineral turpentine, it can significantly boost the drying process.
It is also utilized in the formulation of oleoresinous printing ink varnishes. The refined variant of the oil is also put to use as an effective additive in heat set as well as cold set printing inks.