Refractory materials used in a glass furnace have a huge impact on the process of glass production and the quality of glass. After the explanation of glass production basics, the focus of this thesis is shifted to glass furnaces and types of materials that they are made of. After the definition of refractory materials and their basic properties, refractory materials that are used in glass furnaces are described in more detail. Besides their production and properties, their function and problems that may occur are mentioned. Corrosion of refractory materials and the impact on glass quality is also discussed.
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