Sierra Mountain Candle Co. Keep your wicks trimmed!
Trimming the wick to c" before lighting will help prevent smoking wicks and your candle will burn evenly. This is essential for a clean, smoke-free burn. This can be eliminated by trimming the wicks every time you burn the candle. When you burn a highly-scented candle, sometimes your candle may develop a "fragrance mushroom", which is a carbon buildup on the wick. This is because you have purchased a highly-scented candle. If your candle is smoking despite trimming the wick and checking for debris in the melt-pool, extinguish the candle immediately.
Place candles on a heat-resistant surface away from anything that can catch fire. Never burn the last ¼" of "any" candle. If soot builds up inside the container, clean with a paper towel and Windex. If the wick moves off center, use a butter knife to gently push it back to the center. Candles need to breathe. Free Candle Carbon Mushroom Problem Troubleshooting Guide For Candle Makers.
Candle makers come across carbon mushroom wick problems commonly.
This is nearly always caused by using a wick that is too large. Wick Type Carbon mushrooms are nearly always associated with use of a cored wick. Prevention - A small amount of carbon buildup is unavoidable on cored wicks. If you feel there is excessive buildup there may be related causes. Candle Type Cored wick usage should be limited to container candles and molds where the wick is added from the top (molds without wick holes such as metal votive molds and standard floater molds). Prevention - Cored wick does not burn as clean as square or flat braid wick, so use it only when necessary. Wick Size Use of wicks that are too large accounts for most carbon mushroom problems. Prevention - Experiment with progressively smaller wick sizes.
Additives Some folks advocate the use of petroleum jelly or vegetable shortening to soften wax. Prevention - Discontinue the use of petroleum jelly or vegetable shortening. Author: Bob Sherman. Why is the intial burn of a soy candle so important? Chemicalhistoryo00faraiala.pdf. Pyrolysis. Simplified depiction of pyrolysis chemistry.
Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen (or any halogen). It involves the simultaneous change of chemical composition and physical phase, and is irreversible. The word is coined from the Greek-derived elements pyro "fire" and lysis "separating". Pyrolysis is a type of thermolysis, and is most commonly observed in organic materials exposed to high temperatures. It is one of the processes involved in charring wood, starting at 200–300 °C (390–570 °F).[1] It also occurs in fires where solid fuels are burning or when vegetation comes into contact with lava in volcanic eruptions.
Pyrolysis differs from other high-temperature processes like combustion and hydrolysis in that it usually does not involve reactions with oxygen, water, or any other reagents. Occurrence and uses[edit] Fire[edit] Cooking[edit] Charcoal. Dry charcoal Charcoal burning Mangrove charcoal burning video Wood pile before covering it with turf or soil, and firing it (around 1890) History[edit] Historically, production of wood charcoal in districts where there is an abundance of wood dates back to a very ancient period, and generally consists of piling billets of wood on their ends so as to form a conical pile, openings being left at the bottom to admit air, with a central shaft to serve as a flue.
The use of charcoal as a smelting fuel has been experiencing a resurgence in South America following Brazilian law changes in 2010 to reduce carbon emissions as part of President Lula da Silva's commitment to make a "green steel".[2][3] The modern process of carbonizing wood, either in small pieces or as sawdust in cast iron retorts, is extensively practiced where wood is scarce, and also for the recovery of valuable byproducts (wood spirit, pyroligneous acid, wood tar), which the process permits. Candle Burn Issues; The Burn Pool, Flame Height, Mushroon Capping and Afterglow, explained at Wicks Unlimited, Inc.
The Burn Pool The burn pool serves two main functions for a candle.
It provides the liquid fuel required by the flame and it regulates the "scent throw. " In general, choosing too large a wick will result in excessive flame size and hence a large burn pool, causing too large a portion of the candle to liquify, and, in the case of pillar candles, collapse the walls. Too much heat will also cause the fragrance to break down, reducing the disbursement of scent and requiring a greater flow of oxygen which, in turn, causes burning inconsistency and "sooting. " Candle Wicks. Wick selection involves many variables such as wax type, candle diameter (width), fragrance oil density, and personal preference.
Please note that the wick size recommendations throughout our website serve merely as a rough guide and are subject to your own testing to determine suitability for your specific application. Ultimately, you are responsible for your final product. For testing purposes, we offer wick sample packs which come with a variety of sizes of wicks. Wick sample packs are an excellent way to go while you're still in the testing stages. We cannot accept returns on wicks and strongly recommend individual testing.
Our pre-tabbed wicks are primed with high melt wax (212F) and have a round tin base (20 mm) with a 6 mm neck attached that helps keep the entire wick assembly standing upright. Choosing a wick can be challenging, but with proper testing can be easily overcome. Flat Braid Wicks are not waxed or tabbed.