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  • Hydrogenated castor oil (HCO) or castor wax is a hard, brittle wax that is insoluble.

  • The HCO is insoluble in water and most organic solvents, but it is soluble in hot solvents.

  • HCO is available in 50-pound paper bags or 2,200-pound super sacks.

  • Partially hydrogenated castor oil is available in fiber drums.


  • It is produced by adding hydrogen in the presence of a nickel catalyst. It is mainly used for coatings and greases where resistance to moisture, oils and other petrochemical products is required.

  • In the hydrogenation process, the ricinoleic acid becomes fully saturated and forms a viscous wax-like product with a high melting point of 86C, which makes HCO valuable in resin and polymer mixtures.


  • Hydrogenated castor oil used in the manufacture of multipurpose Lithium/Calcium grease and high performance aviation grease.

  • The early use of HCO in greases was to improve texture and oxidative stability of greases exposed to high sheer stress with little effect on structure or consistency.

  • Hydrogenated castor oil used for the manufacture of soaps & cosmetics.

  • It is used as a mould release agent in the processing of plastics and rubbers.

  • It is also used as a Rheological agent that provides thixotropy in paints, coatings, inks, adhesives, sealants and numerous industrial composition.

  • It can be used for the manufacture of hot melt adhesives used in packaging books, binding footwear, carpet backing and in product assembly, Anti-tack and slip additives for processing plastics .

  • It is used in the manufacture of speciality chemicals for applications such as metal working, plasticizers and textile auxiliaries in the form of derivatives such as esters, ethoxylates, sulfates etc.

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