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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 ]
The best-known animal wax is beeswax, used in constructing the honeycombs of beehives, but other insects also secrete waxes. A major component of beeswax is myricyl palmitate which is an ester of triacontanol and palmitic acid. Its melting point is 62–65 °C (144–149 °F). Spermaceti occurs in large amounts in the head oil of the sperm whale.
Typical microcrystalline wax crystal structure is small and thin, making them more flexible than paraffin wax. It is commonly used in cosmetic formulations. [2] Microcrystalline waxes when produced by wax refiners are typically produced to meet a number of ASTM specifications. These include congeal point (ASTM D938), needle penetration (ASTM ...
Hydrogenated jojoba oil is a hard, crystalline wax ester. The melting point is 68-70 °C and the iodine value is < 2.0, making it one of the very few commercially available, high-melting-point wax esters of botanical origin. Hydrogenated jojoba oil is relatively colourless and odourless. Hydrogenated jojoba oil contains no trans isomers.
The terms "jojoba oil" and "jojoba wax" are often used interchangeably because the wax visually appears to be a mobile oil, but as a wax it is composed almost entirely (~97%) of mono-esters of long-chain fatty acids and alcohols (isopropyl jojobate), accompanied by only a tiny fraction of triglyceride esters. This composition accounts for its ...
Creating a wax paper barrier between linens might sound like a good idea to prevent color from transferring. However, any exposure to high temperatures, and there's a chance the wax could melt and ...
Rice bran wax is edible and can serve as a substitute for carnauba wax in most applications due to its relatively high melting point. It is used in paper coatings, textiles, explosives, fruit and vegetable coatings, confectionery, pharmaceuticals, candles, moulded novelties, electric insulation, textile and leather sizing, waterproofing, carbon paper, typewriter ribbons, printing inks ...
Never pour hot water onto your windshield to melt ice. The thermal shock, say experts, can crack and shatter the glass, leading to an expensive repair. Deicing solutions help, but can remove car wax
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