Muffle furnace refers to a type of jacketed enclosure that is used to heat a material to significantly high temperatures while keeping it contained and fully isolated from external contaminants, chemicals or substances.
Muffle furnaces are usually lined with stainless steel, making them largely corrosion resistant.
Muffle furnaces were designed to combat the associated outcomes of heating via combustion. Such outcomes include a variety of unwanted byproducts such as ash, soot and gas fumes. The generation of these byproducts often present as impurities to the material being heated. As such, it became vital to develop a housing medium to combat this.
Muffle furnaces are capable of reaching and holding temperatures as high as 1800°C (3270°F). They are used in a variety of applications, including lab materials to conduct experiments, brazing and soldering.
Synonyms
Retort Furnace
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