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Dehydrated castor oil (DCO) is a yellow, oily liquid with a distinct odor that's used in a variety of industries:
Drying oil, DCO is a drying oil with similar properties to tung oil. It gives dry paint films a fine gloss, toughness, flexibility, adhesion, and chemical and water resistance.
Applications - DCO is used in paints, varnishes, enamel coatings, corrosion resistant coatings, marine paints, wire enamels, resins, inks, and more. It can also be used as a primary binder for enamels, house paints, sealants, caulks, and inks.
Production
DCO is made by removing about 5% of the chemically combined water from castor oil. The dehydration process turns the ricinoleic acid in castor oil into linoleic acid.
Dehydrated castor oil (DCO) is a drying oil that is categorized as a chemical industry product:
Chemical industry: DCO is used in the production of coatings, resins, inks, and varnishes.
Coating: DCO is used to improve the quality of house paints, enamels, caulks, sealants, and inks.
Coloring agents: DCO is used in the production of coloring agents.
DCO is made from castor oil, which comes from the fruit seed of the castor shrub. It has a light color and is semi-drying. DCO is a drying oil that polymerizes or "dries" after being applied to a surface to form a tough, adherent, impervious, and abrasion resistant film.
DCO is also being investigated as a component in biofuel production. Its high oil content and favorable chemical properties make it a viable raw material for manufacturing biodiesel.
