Commercial castor oil is obtained from a mixture of the first pressing and the second phase of production, solvent extraction. It is used for many industrial applications. It is also known as the industrial grade castor oil. It is the basic material for manufacturing various grades of castor oil and castor derivatives. Castor oil contains 85-90% Ricinoleic Acid. Commercial grade castor oil is one of the standard & most common grades of castor oil which is used in many industrial applications.