Hydrogenated castor oil or HCO, is also known as castor wax. The reason why it is called a wax is because the oil turns into hard, brittle and insoluble material that surprisingly has a lot of benefits in the manufacture of different kinds of products.
How Hydrogenated Castor Oil Is Made
First of all, the castor oil is extracted from castor beans. Once the pure castor oil is obtained, hydrogen is added to it in the presence of a nickel catalyst. Because of the exposure to hydrogen, the castor oil becomes highly …
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