Muffle Furnace Manufacturers in Ahmedabad Brand: Hema Industrial applications of muffle furnaces are vast and varied, ranging from metal heat treatment to glass production. In the metal industry, muffle furnaces are used for annealing, hardening, and tempering metals. These processes involve heating metals to specific temperatures to alter their physical properties, such as hardness and strength. Muffle furnaces are also used in the production of high-quality glass and ceramics, where consistent heat is essential to achieving the desired product. The precise control over temperature and atmosphere makes muffle furnaces indispensable in these industries.