Wax melts, also known as wax tarts or wax cubes, are solid pieces of scented wax that are melted to release fragrance into the surrounding air. When heated, wax melts gradually turn into a liquid state and release their aromatic fragrances, providing a pleasant scent in your space, room or home.
No, Wax Melts do not Evaporate
The wax itself remains in the wax warmer, and only the fragrance evaporates. This is because wax melts are heated using a heat source, such as a wax warmer or a tealight burner. The heat causes the wax to melt, but it does not get hot enough to evaporate the wax. The fragrance oils, on the other hand, have a lower boiling point than wax, so they evaporate at a lower temperature. As the fragrance oils evaporate, they release their scent into the air.
The fragrance in wax melts will eventually dissipate, but the wax itself will remain. When you can no longer smell the fragrance, you can remove the wax melt from the wax warmer and discard it.
Factors Affecting How Long Wax Melts Fragrances Lasts
The type of wax used: We use sustainable, plant-based candle waxes, such as soy wax, which have a higher melting point than other waxes. As a result, our wax melts will release their fragrance for a longer period of time.
The size of the wax melt: Larger wax melts will release their fragrance for a longer period of time than smaller wax melts.
The heat source: A more powerful heat source will cause the wax to melt faster, which can shorten the lifespan of the fragrance.
The ambient temperature: The warmer the ambient temperature, the faster the fragrance will evaporate.
In general, wax melts can last for several hours, but the exact lifespan will vary depending on the factors listed above.
To summarise, while wax melts do not evaporate in the same way that liquids do, they undergo a phase change from a solid to a liquid when heated. During this process, the wax releases volatile fragrance compounds into the air. Once the heat source is removed, the wax cools and solidifies, ready to be melted again. The rate at which wax melts "disappear" and the longevity of their fragrance depend on various factors, including the type of wax and fragrance concentration.
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