Katrina Rosales
Soy wax is a popular candle-making material due to its natural ingredients, extended burn time, and ability to produce less soot than other wax types. However, soy wax is known to be ''picky'' about the fragrance oils that work well with it, and achieving a strong fragrance can be tricky. The amount and type of fragrance oil added to soy wax can significantly impact the success of the candle, with too much oil causing 'sweating', where excess oil beads on the candle's surface. Natural soy wax typically holds 8-10% fragrance by weight, with some lighter fragrances added to soy wax up to 12%. This is higher than paraffin wax, which holds 4-6% fragrance by weight, but paraffin wax often provides a better hot throw, retaining fragrance for longer.
| Characteristics | Values |
|---|---|
| Scent strength | The fragrance throw of soy wax is generally less than that of paraffin wax. |
| Scent retention | Soy wax tends to easily release fragrance oil through evaporation. |
| Burn time | Soy wax candles have a longer burn time than paraffin wax candles. |
| Soot | Soy wax produces less soot than other wax types. |
| Natural ingredients | Soy wax is a natural, familiar, and sought-after product in the market. |
| Environmental impact | For a lower environmental impact, look for US-grown non-GMO soy wax. |
| Container compatibility | Soy wax is compatible with glass, ceramic, and metal containers. |
| Fragrance load | Soy wax can hold 8–10% fragrance by weight. Lighter fragrances can be added at up to 12%. |
| Flash point | The flash point of fragrance oil is generally between 50–55°C. |
| Sweating | Soy candles are prone to sweating due to excess oil, temperature changes, or high ambient temperatures. |
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What You'll Learn
Soy wax holds fragrance oil by weight at 8-10%
Soy wax is a popular choice for candle-making, with more than half of the candles on the market today being soy candles. While soy wax is known to be ''picky' about the fragrance oils that work well in them, it is still a desirable option due to its extended burn time, lack of black soot, and natural ingredients.
When adding fragrance oils to soy wax, it is important to consider the percentage of fragrance oil to ensure a good scent throw without impacting the flame's ability to burn through the oil. The recommended fragrance load for soy wax typically ranges from 6% to 10%, with some sources suggesting a maximum load of 12%. Going over the recommended fragrance load can cause issues such as separation, seepage, and an increased risk of fire.
To calculate the fragrance load, it is important to know the volume of the jar and the desired percentage of fragrance oil. The fragrance oil should be added to the wax when it is below the flashpoint, which is typically between 50-55 degrees Celsius. The flashpoint is the temperature at which the fragrance becomes volatile and may catch fire.
It is also important to note that different fragrance oils will perform differently in soy wax. Some oils, such as those containing vanilla, are stronger and can be added at a higher temperature, while citrus and herbal oils may burn off too quickly or smell "off". Experimentation with different oils and temperatures may be necessary to find the right balance.
By following these guidelines and tips, one can successfully create soy wax candles with a pleasant and well-balanced fragrance.
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Lighter fragrances can be added to soy wax up to 12%
Soy wax is a popular choice for candle-making, with soy candles making up more than half of the candles on the market today. This is due to their extended burn time, lack of unsightly black soot, and reputation as a desirable, naturally derived product. Soy wax is also more affordable and beginner-friendly than other types of wax.
When adding fragrance to soy wax, it's important to consider the type of fragrance oil being used, as some oils may not blend well with soy wax. Fragrance oils with a lighter density, such as citrus and herbal oils, may burn off too quickly or produce an unpleasant smell. It is recommended to add these oils at a lower temperature and/or blend them with a higher-density oil like vanilla.
The amount of fragrance that can be added to soy wax depends on the specific wax being used. Most wax manufacturers recommend a fragrance load of 6-8% with a maximum of 10-12%. Adding too much fragrance oil can cause issues such as sweating, where small beads of oil appear on the surface of the candle, or an uneven top with sinkholes.
Lighter fragrances, such as citrus and herbal oils, can generally be added to soy wax at a higher percentage, up to 12%. This is because these fragrances have a lower density and require less oil to produce the desired scent throw. However, it's important to note that adding more fragrance oil does not necessarily result in a better hot throw. In fact, adding too much fragrance oil can lead to waste and even cause safety hazards, such as an increased risk of fire.
When working with lighter fragrances, it's recommended to start with a lower percentage of fragrance oil and increase the amount gradually while monitoring the performance of the candle. Experimentation is key to finding the right balance for your specific fragrance and soy wax combination. Additionally, using a wax melter with a larger diameter or trying a paraffin wax blend can help improve the hot throw of your candle.
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Soy wax is 'picky' about fragrance oils
Soy wax is a popular choice for candle-making, with over half of the candles on the market today being soy candles. However, soy wax is known to be picky about fragrance oils. While fragrance oils are designed to add rich, lasting aromas to candles, not all fragrance oils are compatible with soy wax.
Soy wax is derived from natural ingredients, which are in high demand. It is an affordable and beginner-friendly wax option, and it burns cleanly with no unsightly black soot. However, achieving a strong fragrance throw with soy wax can be more challenging than with other types of wax, such as paraffin.
One reason soy wax is picky about fragrance oils is that it has a lower maximum fragrance load capacity compared to other waxes. The recommended fragrance load for soy wax is typically around 6-10%, with a maximum of 12% for wax melts. Exceeding this limit can result in fragrance oil seepage, also known as sweating, where excess oil beads up on the surface of the candle.
Additionally, some fragrance oils simply do not blend well with soy wax, no matter how much trial and error is involved. Fragrance oils with stronger scents, such as those containing vanilla, sandalwood, or citrus, may require a lower percentage by volume in the soy wax. On the other hand, lighter fragrances, such as citrus or herbal oils, may burn off too quickly or smell "off".
To achieve the best results with soy wax and fragrance oils, it is important to choose high-quality fragrance oils, consider the desired scent strength, and follow the recommended fragrance load percentages. It is also crucial to add the fragrance oil when the wax temperature is within the optimal range, generally between 50-60 degrees Celsius, to ensure an even fragrance distribution.
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Soy candles may 'sweat' with too much oil
Soy wax is a popular choice for candle makers due to its affordability, ease of use, and natural ingredients. It is well-known for its ability to hold fragrance oil effectively, producing a desirable, naturally derived product with an extended burn time and no unsightly black soot. However, one common issue with soy candles is "sweating," where small beads of oil appear on the candle's surface. This usually occurs when too much fragrance oil is added, and the wax, which can only hold a limited amount of oil, releases the excess.
The recommended fragrance load for soy wax candles typically ranges from 6% to 10%, with some sources suggesting a maximum of 12%. Exceeding these recommendations can lead to sweating. For example, the suggested usage for high-quality fragrance oils from Luxury Candle Supplies is between 6% and 8%. Additionally, some fragrance oils may not blend well with soy wax, and temperature changes can also contribute to sweating.
To avoid sweating in soy candles, it is crucial to use the appropriate amount of fragrance oil. Candle makers should refer to the recommendations provided by their wax supplier. It may take some trial and error to find the right balance for each fragrance, but it is important to remember that less is often more. Taking breaks and cleansing your nasal palate with coffee beans can help maintain a fresh sense of smell during the fragrance-adding process.
Furthermore, temperature control is essential. Soy wax is sensitive to extreme temperature changes, which can cause the natural oils to separate and pool on the surface. To prevent this, avoid moving candles between different temperatures and be mindful of the environment in which you store or display your candles. Additionally, when adding fragrance oil to soy wax, ensure that the temperature is not too low, as this can affect the binding process.
While sweating may be unsightly, it does not impact the quality, burn, or scent throw of the candle. If your soy candles are sweating, simply wipe away the excess oil with a tissue or paper towel. You can also use a heat gun to melt and reset the top layer of the candle.
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Soy wax has a longer burn time than paraffin
When it comes to candles, fragrance is a key consideration for most consumers. While the type of wax may not be top of mind, it can have a significant impact on the strength of the scent and the longevity of the candle. Soy wax, in particular, stands out for its extended burn time compared to other types of wax, especially paraffin wax.
Soy wax is derived from natural, biodegradable sources such as soybean oil, while paraffin wax is a refined gasoline by-product derived from petroleum. This difference in composition leads to notable variations in their burning characteristics. Soy wax has a higher melting point than paraffin, resulting in a slower burn rate and up to 50% longer burn time compared to paraffin candles. This extended burn time means that soy wax candles can provide better value for money and reduce the need for frequent replacements.
Additionally, soy wax is known for producing less soot and toxins during combustion. The absence of petro-carbon soot in soy wax ensures a cleaner burn, reducing the amount of residue that accumulates on surfaces and improving air quality. This makes soy wax an attractive option for those who are sensitive to the health aspects of traditional paraffin candles, which have been associated with toxic air emissions and carcinogenic compounds.
While fragrance throw may be slightly more challenging to achieve with soy wax, it is still achievable and can be enhanced by selecting a suitable wax variety. Soy waxes like AAK Golden Brands 464 and 444 are known for producing strong scents while burning and are popular choices among consumers due to their appealing semi-matte finish.
In summary, soy wax offers a longer burn time compared to paraffin wax, along with a cleaner burn and a more sustainable, natural alternative. With its ability to hold fragrance and produce a strong scent throw, soy wax provides an appealing option for consumers seeking a well-fragranced, long-lasting candle.
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Frequently asked questions
Natural soy wax holds the most fragrance by weight at 8-10%. Some lighter fragrances can be added to soy wax for up to 12%.
The amount of fragrance oil you add to soy wax depends on the density of the oil. It's recommended to start with 6%, or 1 oz. of fragrance per 16 oz/1 lb. of wax.
The flash point is the temperature at which the fragrance becomes volatile and may catch alight. It is generally between 50-55°C, but this will vary based on the wax you are using.
Candle sweating occurs when excess oil is released during temperature changes or when candles get too warm. This can be prevented by lowering the fragrance load.
