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Paraffin represented a major advance in the candle-making industry because it burned cleanly and was cheaper to manufacture than other candle fuels such as beeswax and tallow. Paraffin wax initially suffered from a low melting point. This was remedied by adding stearic acid. The production of paraffin wax enjoyed a boom in the early 20th ...
Petroleum jelly, petrolatum (/ ˌ p ɛ t r ə ˈ l eɪ t ə m /), white petrolatum, soft paraffin, or multi-hydrocarbon, CAS number 8009-03-8, is a semi-solid mixture of hydrocarbons (with carbon numbers mainly higher than 25), [1] originally promoted as a topical ointment for its healing properties. [2]
Its melting point is 62–65 °C (144–149 °F). ... Wax candle. Waxes such as paraffin wax or beeswax, and hard fats such as tallow are used to make candles, ...
The cloud point of a nonionic surfactant or glycol solution is the temperature at which the mixture starts to phase-separate, and two phases appear, thus becoming cloudy. This behavior is characteristic of non-ionic surfactants containing polyoxyethylene chains, which exhibit reverse solubility versus temperature behavior in water and therefore ...
Candles were also made from stearin (initially manufactured from animal fats but now produced almost exclusively from palm waxes). [37] [38] Today, most candles are made from paraffin wax, a byproduct of petroleum refining. [39] The hydrocarbon C 31 H 64 is a typical component of paraffin wax, from which most modern candles are produced.
On distillation in a current of superheated steam, ozokerite yields a candle-making material resembling the paraffin obtained from petroleum and shale-oil but of higher melting-point, and therefore of greater value if the candles made from it are to be used in hot climates.