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December 05, By Molly Maid. Previous Post Next Post. How to Prevent Short Candle Wicks The best way to ensure a wick never gets too short is to burn the candle long enough to form a uniform pool of melted wax but no longer than four hours. To promote an even burn and prevent tunneling, you should keep the candle away from draft, which can cause the candle to burn unevenly or blow out the flame before the entire top layer of wax has time to melt.
Trimming the candle will also help promote an even burn. So trim that wick and bask in the glory of your perfectly shaped candle flame! Try these methods depending on how short the wick is:. Let it cool and then dispose of the wax. Relight the wick on the candle and leave it to burn.
The burn pool serves two main functions for a candle. In general, choosing too large a wick will result in excessive flame size and hence a deep burn pool, causing too large a portion of the candle to liquefy, and, in the case of pillar candles, collapse the walls. In both cases, the customer will almost certainly feel disappointed by his or her purchase.
Flame height is another determining factor in judging the overall burn of the candle and it is also ultimately determined by the wick choice. Soot is the black substance found in smoke. It is comprised of tiny particles of unburned fuel and its excessive presence indicates incomplete combustion and the improper wick choice. Mushrooming occurs when there is an overabundance of wax fuel to be combusted, creating a build up of partially reduced molecules which are unable to reach the flame, combining with oxygen and completing the burning process.
As a result, the incompletely combusted material falls back onto the wick and builds up as a carbon cap on the end of the wick. This excess fuel can be caused by an oversized wick providing more wax to the flame than can be burned; or the wrong type of wick in general. Afterglow occurs when an individual manually extinguishes the flame but the charcoaled mass at the end of the wick continues to throw off soot. Smoking, sooting, wick drowning, short burn times, glass breaking, unsafe flame size and tunneling can all be remedied by the choice of the right wick.
Mobile Newsletter chat subscribe. Household Appliances. How does a candle work? Updated: Mar 30, The fuel, made of some sort of wax The wick, made of some sort of absorbent twine.
The paraffin vapor flows up the tube and is the fuel for this second flame. When you blow out a candle, you notice a stream of white smoke leaving the wick.
This stream is paraffin vapor that has condensed into a visible form. It continues to form as long as the wick is hot enough to vaporize paraffin.
If you touch a lit match to the stream, a flame will run down it and re-light the wick. Candles are mainly made out of paraffin wax, a hydrocarbon and petroleum byproduct, although you can find other types of waxes, like beeswax. When you light a candle, it produces other chemicals such as volatile organic compounds and toxic gases. Is it the wick or wax that burns?
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