Castor wax

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Castor wax

Castor wax, also called hydrogenated castor oil

Castor oil

Castor oil is a vegetable oil obtained from the castor bean . Castor oil is a colorless to very pale yellow liquid with mild or no odor or taste....
, is a hard, brittle, vegetable wax

Wax

Wax has traditionally referred to a substance that is secreted by bees and used by them in constructing their honeycombs.It is an imprecisely defined term generally understood to be a substance with properties similar to beeswax, namely...
. It is produced by the hydrogenation

Hydrogenation

Hydrogenation is the chemical reaction that results from the addition of hydrogen . The process is usually employed to a redox or Saturation organic compounds....
(chemical combination with hydrogen) of pure castor oil

Castor oil

Castor oil is a vegetable oil obtained from the castor bean . Castor oil is a colorless to very pale yellow liquid with mild or no odor or taste....
, in the presence of a nickel

Nickel

Nickel is a chemical element, with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge....
catalyst. It is odorless and insoluble in water.

or wax is used in polishes, cosmetics

Cosmetics

Cosmetics are substances used to enhance or protect the appearance or odor of the human body. Cosmetics include skin-care Cream , lotions, Powder , perfumes, lipsticks, fingernail and toe nail polish, eye and facial makeup, permanent waves, colored contact lenses, hair colors, hair sprays and gels, deodorants, baby products, bath oils, bubb...
, electrical capacitors, carbon paper, lubrication

Lubrication

Lubrication is the process, or technique employed to reduce wear of one or both surfaces in close proximity, and moving relative to each another, by interposing a substance called lubricant between the surfaces to carry or to help carry the load between the opposing surfaces....
, and coatings and greases where resistance to moisture, oils and other petrochemical

Petrochemical

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Encyclopedia

Castor wax, also called hydrogenated castor oil

Castor oil

Castor oil is a vegetable oil obtained from the castor bean . Castor oil is a colorless to very pale yellow liquid with mild or no odor or taste....
, is a hard, brittle, vegetable wax

Wax

Hydrogenation

Castor oil

Castor oil is a vegetable oil obtained from the castor bean . Castor oil is a colorless to very pale yellow liquid with mild or no odor or taste....
, in the presence of a nickel

Nickel

Uses

Castor wax is used in polishes, cosmetics

Cosmetics

Lubrication

Petrochemical

Petrochemicals are chemical products made from raw materials of petroleum or other hydrocarbon origin. Although some of the chemical compounds that originate from petroleum may also be derived from coal and natural gas, petroleum is the major source....
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

Melting point
Melting point

The melting point of a solid is the temperature range at which it changes states of matter from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium....
= 61-69 C
Acid number
Acid number

In chemistry, acid value is the mass of potassium hydroxide in milligrams that is required to neutralize one gram of chemical substance. The acid number is a measure of the amount of carboxylic acid groups in a chemical compound, such as a fatty acid, or in a mixture of compounds....
= 2
Saponification value
Saponification value

Saponification value represents the number of milligrams of potassium hydroxide or sodium hydroxide required to saponification 1g of fat under the conditions specified....
= 179
Iodine number
Iodine number

The iodine value in chemistry is the mass of iodine in grams that is consumed by 100 grams of a chemical substance. An iodine solution is yellow/brown in color and any chemical group in the substance that reacts with iodine will make the color disappear at a precise concentration....
= 4