Dehydrated Castor Oil is by far the most important coating. In commercial manufacture the oil is now known as an individual drying oil. Its advantages claimed in different surface coating applications such as excellent odor and heat bleachability, superior drying properties, uniform polymer structure, and lack of after-yellowing. Dehydrated Castor Oil can be used to enhance the quality of house paints, sealants, caulks, & inks. It is used as basic binder for house paints, caulk sealant, enamels, & making varnishes.