Maddie James
Stearine candles, also known as stearic acid candles, have a high melting point of around 143.6°F to 176°F (62°C to 80°C). They burn longer and more evenly with unwavering flames, producing less smoke and dripping. The use of stearine in candles dates back to the Middle Ages, and it is still valued today for its ability to increase burning time and improve the candle's appearance.
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What You'll Learn
Stearic acid is a key ingredient in sterine candles
Stearic acid, also known as sterine or stearine, is a key ingredient in sterine candles. It is a mixture of fatty acids derived from vegetable oils, such as palm or coconut oil, though historically it was derived from animal fat. It has been used in candle-making since the Middle Ages, when it was used as a substitute for tallow.
Stearic acid is added to candles to increase their melting point, making them harder and less prone to melting and bending in hot weather. It also increases the burn time of the candle, as it burns with a smaller, neater flame, emitting less smoke. This means that candles made with stearic acid are virtually dripless, reducing the amount of waxy mess on tables and clothes.
The additive also provides opacity to the candle wax and can be used to make moulded candles. It blends nicely with molten wax and can be used to get wax out of moulds, as it shrinks in size as it cools, allowing the finished candle to be easily removed. Stearic acid is also useful for colouring candles, as it makes colours more intense.
Stearic acid is commonly used in the production of cosmetics, skincare, hair and beauty products, as well as in food products, due to its emulsifying properties. It is a valuable additive in candle-making, providing a range of benefits that improve the appearance and burning properties of candles.
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Sterine candles have a high melting point
Stearine candles have a high melting point, which means they are less likely to melt and drip. The melting point of stearine, also known as stearic acid, is around 143.6°F to 158°F (62°C to 70°C). This is higher than the melting point of paraffin wax, which is typically around 130°F (54.4°C).
By comparison, the melting point of soy wax is around 149°F (65°C). This means that stearine candles have a higher melting point than both paraffin and soy wax, which are two commonly used waxes for candle-making.
The high melting point of stearine candles is due to the chemical composition of stearic acid. It is a mixture of fatty acids derived from animal and plant sources, such as coconut oil, palm oil, and other vegetable oils. The process of making stearine involves removing glycerin from animal tallow, resulting in a substance with a higher melting point than tallow alone.
The high melting point of stearine candles offers several benefits. Firstly, it makes stearine candles harder and less likely to melt and bend, even in hot weather. This gives them a longer burning time compared to other types of wax candles. Additionally, the higher melting point results in a smaller, neater flame with less dripping and smoking. As a result, there is less mess and damage from candle soot on walls and ceilings.
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Sterine candles burn longer
The use of candles dates back to 3,000 B.C., when ancient Egyptians used papyrus reeds dipped in animal fat. In the 19th century, a French chemist named Michel-Eugène Chevreul discovered that animal tallow, a popular candle-making ingredient at the time, was a compound of two fatty acids: stearic acid and oleic acid, combined with glycerin. By removing the glycerin from the tallow compound, Chevreul invented a new substance named stearin.
Stearin, also known as stearic acid or sterine, is a mixture of fatty acids derived from animal and plant materials. It is commonly used in candle-making due to its high melting point, which results in candles that burn longer and more evenly with steady, unwavering flames. The melting point of stearin is approximately 158°F (62°C or 70°C depending on the source), which is significantly higher than that of traditional waxes like soy or paraffin. When mixed with paraffin wax, stearin increases its melting point to 80°C (176°F). This higher melting point not only extends the burning time of the candle but also results in less dripping and smoking.
The process of candle burning involves the heat of the flame melting the wax surrounding the wick. The melted wax then vaporizes through a combustion reaction, releasing light, heat, carbon dioxide, and water vapour, which fuels the flame. The heat is partially reabsorbed by the wax, causing it to melt further and replenish the liquid wax at the base of the wick, thus maintaining a stable burn. Stearin candles, with their higher melting point, require more heat to melt, resulting in a slower melting process and, consequently, a longer-lasting candle.
In addition to extending burning time, stearin also improves the appearance and burning properties of candles. It makes the colours more intense, enhances the olfactory rendering when used with scented waxes, and increases the hardness of the wax, preventing small cracks. Stearin candles are also safer and more environmentally friendly, releasing lower concentrations of soot and combustion products compared to paraffin candles.
When making stearin candles, it is important to note that stearic acid should not be used with latex or rubber moulds as it can rot the material. Metal or silicone moulds are preferable. Additionally, the recommended ratio of stearin to paraffin wax is approximately 10% stearin to 90% wax.
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Sterine candles are virtually dripless
Stearine candles are virtually dripless. They are made from stearic acid, a mixture of fatty acids derived from animal and plant materials. In the candle-making process, stearic acid is added to paraffin wax to increase its melting point to 80°C (176°F). This makes sterine candles slower-burning and less likely to drip. They also burn with smaller, neater flames, emitting less smoke.
The use of stearic acid in candle-making dates back to the Middle Ages, when it was derived from animal fat. More recently, a vegetable-based substitute has been developed, extracted from coconut or palm oil. This substitute is gaining popularity among candlemakers due to its sustainability and environmental benefits.
Stearine candles have several advantages over traditional paraffin wax candles. Firstly, they burn longer and are less likely to drip, making them a more economical choice. Secondly, they produce less smoke and soot, resulting in less mess and less damage to walls and ceilings. Finally, sterine candles are harder and more heat-resistant, making them ideal for use in hot weather as they retain their shape without melting or bending.
The process of making sterine candles involves melting stearic acid and mixing it with paraffin wax. This can be done in a double boiler on the stove or in a wax-melting pot. Colour can also be added to the mixture if desired. The liquid stearin is then combined with the paraffin wax and heated to the required pouring temperature. However, it is important to note that stearic acid should not be used with latex or rubber moulds as it will rot the rubber. Instead, metal or silicone moulds are recommended.
Overall, sterine candles are a virtually dripless, longer-lasting, and environmentally-friendly alternative to traditional paraffin wax candles, making them a popular choice for those seeking a safer and more economical option.
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Sterine is a mixture of fatty acids
Sterine candles, also known as stearine or stearic acid candles, are made from a mixture of fatty acids. This mixture is derived from animal fats or vegetable oils, such as palm or sunflower oil. Stearic acid is a type of saturated fatty acid, which means it has no double bonds and is "saturated" with hydrogen atoms. It has an extremely high melting point of around 150°F (62-80°C), which is higher than that of traditional waxes like soy or paraffin. This high melting point makes sterine candles ideal for hot weather as they retain their shape without melting or bending.
The process of making sterine candles involves melting the stearic acid and combining it with other ingredients. For example, when mixed with paraffin wax, sterine increases the melting point of the wax, resulting in candles that burn longer with smaller, neater flames and fewer drips. Sterine also improves the appearance of candles, making colours more intense and the wax more opaque. Additionally, sterine enables the creation of moulded candles and scented fondants.
The use of stearic acid in candle-making dates back to the Middle Ages, and it gained popularity after World War II due to its high melting point. Today, sterine candles are common in some parts of the world, such as Sweden. However, they may be marketed with confusing or pseudoscientific terminology, such as "100% Sterine Wax," which is likely referring to a mixture of stearic acid and palmitic acid without paraffin.
Stearic acid is also found in various cosmetic, skincare, hair, and beauty products. It is often listed as an ingredient under names like glyceryl stearate or glycol distearate. It is a valuable additive that improves the stability and texture of these products. Furthermore, stearic acid is a major component of lipids in certain species, such as microalgae, and it serves as an important dietary fuel source for animals.
In summary, sterine candles are made from a mixture of fatty acids, primarily stearic acid, which has unique properties that enhance the burning characteristics, appearance, and versatility of the candles. Sterine's high melting point and stability make it a desirable additive in candle-making, contributing to its growing popularity and various industrial applications.
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Frequently asked questions
Sterine candles have a high melting point of around 143.6°F to 176°F (62°C to 80°C). They burn longer and more evenly with smaller, neater flames, emitting less smoke and causing less mess from dripping wax.
Sterine, or stearic acid, is a mixture of fatty acids derived from animal and plant materials, including vegetable oils like palm or sunflower oil.
Yes, sterine candles are generally considered safe and environmentally friendly. They produce less soot and combustion products compared to traditional paraffin wax candles.
Sterine candles have a longer burning time and are less likely to drip, making them a cleaner and more economical option. They also have a higher melting point, so they are less likely to melt and bend in hot weather.
Sterine candles are available from various retailers, both online and in-store. You can find them at specialty candle shops, home goods stores, and through online retailers.
