Boiled linseed oil is a vegetable oil, obtained from raw linseed oil by heat treatment and blended with siccative, solvent and white spirit which catalytically expedites the drying process.
Raw linseed oil is a low viscosity liquid with an oily consistence and golden brown colour. Raw linseed oil is primarily a glyceride with a high fatty acid value. The oil is obtained from flax seeds through pressing.