Castor wax

Castor wax, also called hydrogenated castor oil, is a hard, brittle, vegetable wax. It is produced by the hydrogenation (chemical combination with hydrogen) of pure castor oil, in the presence of a nickel catalyst. It is odorless and insoluble in water.

Additional recommended knowledge

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Uses

Castor wax is used in polishes, cosmetics, electrical capacitors, carbon paper, lubrication, and coatings and greases where resistance to moisture, oils and other petrochemical products is required

Properties

• Melting point = 61-69 C
• Acid number = 2
• Saponification value = 179
• Iodine number = 4

References