Castor wax
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Castor wax, also called
catalyst to increase the rate of reaction.[1] The hydrogenation of castor oil forms saturated molecules of castor wax; this saturation is responsible for the hard, brittle and insoluble nature of the wax.[2]
Uses
Castor wax is used in polishes, oils paintsoils and petrochemical products is required. Castor wax is also useful in polyurethane coating formulation, as it contains three secondary hydroxyl groups. These coating compositions are useful as a top coat varnish for leather, wood and rubber.
Castor wax can also be added to beeswax for encaustic painting.
Properties
- Melting point = 80 °C
- Acid number= 2
- Saponification value = 179
- Iodine number= 4
References
- ^ "Hydrogenated castor oil".
- ^ "BBC - GCSE Bitesize: Double bonds and hydrogenation". Archived from the original on 2018-08-18. Retrieved 2018-09-10.
- ISBN 978-3-319-10099-9 – via ResearchGate.