A melting tank is a tank used by manufacturing companies to manufacture a variety of products.
Melting tanks can be designed to melt products such as:
The type of tank used to melt solder and tar is very different from one that is used to melt waxes, especially organic waxes such as soy, for making scented and colored candles. For example, tanks used for adhesives may need to heat up to 500degrees(°) Fahrenheit(F), [1] while an organic soy wax will be ruined at over 140 °F and should never be heated above 200 °F. [2] A delicate soy wax used to make candles would be burned and destroyed if not heated in an even, lower temperature than solder or tar. Also, since soaps and candles are scented and colored, the tanks designed for melting these substances need to be specially polished so there is no cross-contamination between different scents of candles or soaps. Based on this challenge, there are melting tanks that are specially coated for candle wax melting, [3] while some have created specially coated tanks for soap making. [4] Obviously, tar and solder makers care very little about the scent of their product, whereas fragrance is probably the most important determinant of purchasing a candle or soap. [5]
Melting tanks are generally classified as either direct-heating or water-jacket-heating. There is another type of melter which uses convection heating similar to an oven. These are generally more expensive than normal heaters, even though they are inefficient and take a longer time to heat, simply because they rely on air to heat. [6]
Direct-heat melters are generally made from aluminum and can heat up to over 500 °F. The uses vary from wax to solder. They heat with the heating element directly on the aluminum which is directly against the substance to be melted, hence the name direct melter. Since direct-heat melters apply heat directly, they generally cannot be larger than 5-10 gallons. [3]
Water-jacket melters function more like a large, commercial double boiler in that they keep substances evenly heated but they generally only heat up to 212 °F, since that is when the water would evaporate. They can be made of aluminum, but are generally made of stainless steel. Unlike direct-heat melters, water-jacket melters can be almost unlimited in size, with 153 gallons being common and up to the larger 1000-gallon melters and more. [3]
In the future, there is hope that one day the benefits of both direct-heat melters and water-jacket melters can somehow be combined. Currently, research is being conducted to achieve that end among some of the leading makers of melting tanks[ citation needed ].
When selecting a melting tank, it is important that the application is known. For example, if melting large amounts of substances (or at least more than 10 or so gallons) is the goal, then water-jacket melting is the proper choice. If the substance needs to be heated to over 212 °F, then a direct-heat melter would be necessary. If heavily scented or colored substances are to be melted, then it is important that the melter be polished with a coating to prevent cross-contamination.
Paraffin wax is a soft colorless solid derived from petroleum, coal or oil shale that consists of a mixture of hydrocarbon molecules containing between twenty and forty carbon atoms. It is solid at room temperature and begins to melt above approximately 37 °C (99 °F), and its boiling point is above 370 °C (698 °F). Common applications for paraffin wax include lubrication, electrical insulation, and candles; dyed paraffin wax can be made into crayons. It is distinct from kerosene and other petroleum products that are sometimes called paraffin.
A soldering iron is a hand tool used in soldering. It supplies heat to melt solder so that it can flow into the joint between two workpieces.
A candle is an ignitable wick embedded in wax, or another flammable solid substance such as tallow, that provides light, and in some cases, a fragrance. A candle can also provide heat or a method of keeping time.
Waxes are a diverse class of organic compounds that are lipophilic, malleable solids near ambient temperatures. They include higher alkanes and lipids, typically with melting points above about 40 °C (104 °F), melting to give low viscosity liquids. Waxes are insoluble in water but soluble in organic, nonpolar solvents. Natural waxes of different types are produced by plants and animals and occur in petroleum.
Edison Records was one of the early record labels that pioneered sound recording and reproduction, and was an important player in the early recording industry.
Rosin, also called colophony or Greek pitch, is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperature. It chiefly consists of various resin acids, especially abietic acid. The term "colophony" comes from colophonia resina, Latin for "resin from Colophon", an ancient Ionic city.
Induction heating is the process of heating electrically conductive materials like metals by electromagnetic induction, through heat transfer passing through an induction coil that creates an electromagnetic field within the coil to melt down steel, copper, brass, graphite, gold, silver, aluminum, and carbide. An induction heater consists of an electromagnet and an electronic oscillator that passes a high-frequency alternating current (AC) through the electromagnet. The rapidly alternating magnetic field penetrates the object, generating electric currents inside the conductor, called eddy currents. The eddy currents flow through the resistance of the material, and heat it by Joule heating. In ferromagnetic and ferrimagnetic materials, such as iron, heat also is generated by magnetic hysteresis losses. The frequency of the electric current used for induction heating depends on the object size, material type, coupling and the penetration depth.
Wax play is a form of temperature play practiced in a BDSM context, in which wax from a candle is dripped onto a person's naked skin, in order to introduce a slight burning sensation to the skin.
Ski wax is a material applied to the bottom of snow runners, including skis, snowboards, and toboggans, to improve their coefficient of friction performance under varying snow conditions. The two main types of wax used on skis are glide waxes and grip waxes. They address kinetic friction—to be minimized with a glide wax—and static friction—to be achieved with a grip wax. Both types of wax are designed to be matched with the varying properties of snow, including crystal type and size, and moisture content of the snow surface, which vary with temperature and the temperature history of the snow. Glide wax is selected to minimize sliding friction for both alpine and cross-country skiing. Grip wax provides on-snow traction for cross-country skiers, as they stride forward using classic technique.
A wax motor is a linear actuator device that converts thermal energy into mechanical energy by exploiting the phase-change behaviour of waxes. During melting, wax typically expands in volume by 5–20%.
Ozokerite or ozocerite, archaically referred to as earthwax or earth wax, is a naturally occurring odoriferous mineral wax or paraffin found in many localities. Lacking a definite composition and crystalline structure, it is not considered a mineral but only a mineraloid. The name was coined from Greek elements Όζω ozο, to stink, and κηρός keros, wax.
Melt and Pour soap crafting is a process often used by soapmakers, both for large scale (commercial) and small scale manufacture. Small scale artisan soap makers find "melt and pour" production useful when trying out new product lines. The process differs from the cold process or hot process in utilising a pre-manufactured solid soap base which has already undergone saponification, so the soap maker does not need to handle caustic alkali, i.e. lye.
The Yankee Candle Company is an American manufacturer and retailer of scented candles, candleholders, accessories, and dinnerware. Its products are sold by thousands of gift shops nationwide, through catalogs, and online, and in nearly 50 countries around the world. The company operates just over 260 small-box format stores, located in malls across 43 U.S. states and Ontario, and is the largest candle manufacturer in the United States. The company is headquartered in South Deerfield, Massachusetts.
Microcrystalline waxes are a type of wax produced by de-oiling petrolatum, as part of the petroleum refining process. In contrast to the more familiar paraffin wax which contains mostly unbranched alkanes, microcrystalline wax contains a higher percentage of isoparaffinic (branched) hydrocarbons and naphthenic hydrocarbons. It is characterized by the fineness of its crystals in contrast to the larger crystal of paraffin wax. It consists of high molecular weight saturated aliphatic hydrocarbons. It is generally darker, more viscous, denser, tackier and more elastic than paraffin waxes, and has a higher molecular weight and melting point. The elastic and adhesive characteristics of microcrystalline waxes are related to the non-straight chain components which they contain. Typical microcrystalline wax crystal structure is small and thin, making them more flexible than paraffin wax. It is commonly used in cosmetic formulations.
An induction furnace is an electrical furnace in which the heat is applied by induction heating of metal. Induction furnace capacities range from less than one kilogram to one hundred tons, and are used to melt iron and steel, copper, aluminum, and precious metals.
Hot-melt adhesive (HMA), also known as hot glue, is a form of thermoplastic adhesive that is commonly sold as solid cylindrical sticks of various diameters designed to be applied using a hot glue gun. The gun uses a continuous-duty heating element to melt the plastic glue, which the user pushes through the gun either with a mechanical trigger mechanism on the gun, or with direct finger pressure. The glue squeezed out of the heated nozzle is initially hot enough to burn and even blister skin. The glue is sticky when hot, and solidifies in a few seconds to one minute. Hot-melt adhesives can also be applied by dipping or spraying, and are popular with hobbyists and crafters both for affixing and as an inexpensive alternative to resin casting.
Candle making was developed independently in many places throughout history.
Soy candles are candles made from soy wax, which is a processed form of soybean oil. They are usually container candles, because soy wax typically has a lower melting point than traditional waxes, but can also be made into pillar candles if certain additives are mixed into the soy wax.
Wax melters are devices used in the packaging and candle-making industries to melt wax.
Soldering is a process in which two or more items are joined together by melting and putting a filler metal (solder) into the joint, the filler metal having a lower melting point than the adjoining metal. Unlike welding, soldering does not involve melting the work pieces. In brazing, the work piece metal also does not melt, but the filler metal is one that melts at a higher temperature than in soldering. In the past, nearly all solders contained lead, but environmental and health concerns have increasingly dictated use of lead-free alloys for electronics and plumbing purposes.