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Waxes are also used in shoe polishes, wood polishes, and automotive polishes, as mold release agents in mold making, as a coating for many cheeses, and to waterproof leather and fabric. Wax has been used since antiquity as a temporary, removable model in lost-wax casting of gold, silver and other materials.
The epicuticular wax produced by Dudleya brittonii has the highest ultraviolet light (UV) reflectivity of any known naturally occurring biological substance. Epicuticular wax is a waxy coating which covers the outer surface of the plant cuticle in land plants. It may form a whitish film or bloom on leaves, fruits and other plant organs.
The materials used to wax produce depend to some extent on regulations in the country of production and/or export. Both natural waxes (carnauba, [12] shellac, beeswax or resin [4]) and petroleum-based waxes (usually proprietary formulae) [3] are used, and often more than one wax is combined to create the desired properties for the fruit or vegetable being treated.
Paraffin wax (or petroleum wax) is a soft colorless solid derived from petroleum, coal, or oil shale that consists of a mixture of hydrocarbon molecules containing between 20 and 40 carbon atoms. It is solid at room temperature and begins to melt above approximately 37 °C (99 °F), [ 2 ] and its boiling point is above 370 °C (698 °F). [ 2 ]
Untreated impacted wax can result in hearing loss, social withdrawal, poor work function, and mild paranoia. People with impacted wax may also present with perforated eardrums; this is usually induced by putting objects in the ear in an attempt to remove the wax. [5]
The fatty acids in wax esters derived from plants typically range from C12-C24, and the alcohols in plant waxes tend to be very long, typically C24-C34. [2] The fatty acids and fatty alcohols of wax esters from different marine animals show major differences. Wax esters of sperm whales contain C12 fatty acids and C14 fatty acid and alcohols.
Some hearing aid dryers require hours to be effective, but the PerfectDry Lux gets the job done in just 45 minutes. Like other dryers, the PerfectDry uses UV-C light to aid in drying, and the UV ...
Beeswax is an ingredient in surgical bone wax, which is used during surgery to control bleeding from bone surfaces; shoe polish and furniture polish can both use beeswax as a component, dissolved in turpentine or sometimes blended with linseed oil or tung oil; modeling waxes can also use beeswax as a component; pure beeswax can also be used as ...
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