Microcrystalline Wax is defined as a refined mixture of solid, saturated
hydrocarbons, mainly branched paraffin, obtained from petroleum.
a colourless or white, somewhat transluent, tasteless and odourless wax.
Microcrystalline wax is insoluble in water, very slightly soluble in
ethanol, sparingly soluble in diethyl ether and hexane.
Microcrystalline wax contains a higher percentage of isoparaffinic
(branched) hydrocarbons and naphthenic hydrocarbons.
characterized by the fineness of its crystals in contrast to the larger
crystal of paraffin wax. It consists of high molecular weight saturated
Typical microcrystalline wax crystal structure is small and thin, making
them more flexible than paraffin wax.
Sludge, dirt, moisture and foreign matter must first be removed from the
tank-bottom during vaccum distillation of oil refining.
wax-containing substance obtained by refining the tank-bottom in this
way is treated with sulfuric acid, and deasphalted with propane or by
other treatment to reduce the asphalt and colored material in it.
also be treated with fuller's earth to further improve the color. Oil is
then removed by distillation until an appropriate concentration is
achieved for the wax.
substance thus obtained is considered as the wax raw material and
treated just as if it were petrolatum. It is treated mostly by solvent
method to produce a high melting point wax.
making wax from petrolatum, solvents are used for deoiling. The crystals
of this wax are normally microcrystalline in form.
rubber industry as an additive to provide softness, lustre and
weathering protective for household & industrial rubber goods.
used as an ingredient of rubber compounding in tyre industry to provide
protection against action of light, oxygen & ozone.
unique property of MCW to bind oil with other liquids is used for
manufacture of jellies required for industrial, pharmaceutical and jelly
filled telecommunication cable applications.
solutions are used in the calibration of lab glassware, polishes. It is
also used in cosmetics and textile finishing.
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