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petrolatum

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.06 sec.
petrolatum (pĕtrəlā`təm), colorless to yellowish-white hydrocarbon mixture obtained by fractional distillation of petroleum. In its jellylike semisolid form (known as petroleum jelly and also by several trade names) it is used in preparing medicinal ointments and for lubrication. As a nearly colorless, highly refined liquid known as liquid petrolatum, liquid paraffin, or mineral oil, it is used as a lubricant, as a laxative, and as a base for nasal sprays.
petrolatum
a translucent gelatinous substance obtained from petroleum; used as a lubricant and in medicine as an ointment base and protective dressing

petrolatum [‚pe·trə′lād·əm]
(materials)
A smooth, semisolid blend of mineral oil with waxes crystallized from the residual type of petroleum lubricating oil; the wax molecules contain 30-70 carbon atoms and are straight chains with a few branches or naphthene rings; used as a lubricant, as a carrier in polishes and cosmetics, and as a rust preventive.


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Formulated with aloe, lanolin, and petrolatum, it allows the air transmission to the dermal layer, unlike other zinc-based formulas.
Superior to conventional petrolatum in insulating performance, the oil has lower viscosity with an excellent cooling effect, making it possible for use in large-capacity converters, as well as contributing to the downsizing of such converters.
In regard to the potential irritation of the skin during TWG, a suggestion for decreasing the negative side effects of discomfort at the water line is to apply petrolatum, a nonconductor of electricity, around the wrists.
 
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