Castor wax

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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.

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. Castor wax is also useful in polyurethane coating formulation, as it contains three secondary hydroxyl group.These coating compositions are useful as a top coat varnish for leather, wood & rubber.

Properties

References

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acid value for castor oil : min 3.0 and max 3.89

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