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What Is the Working Principle of a Lab Muffle Furnace?

A muffle furnace, also known as a box furnace or vacuum furnace, is a heating device designed to operate under hightemperature and highpurity atmospheric conditions. It is commonly used in laboratory environments for sample pretreatment, elemental analysis, and experiments involving special materials. This type of furnace is characterized by precise temperature control, adjustable atmosphere, simple operation, and safe use, making it widely applicable in fields such as materials science, chemistry, and electronics. As a hightemperature heating instrument, muffle furnaces can typically reach temperatures of 1000℃ or even 1300℃. Our compact lab muffle furnace, however, can achieve temperatures up to 1750℃, meeting the experimental needs of highmeltingpoint and highstability materials, and providing critical technical support for materials research and sample processing.

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