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Thermal endurance refers to a material's ability to maintain its structural integrity and properties at high temperatures. This is a critical characteristic for materials used in environments like furnaces, kilns, and industrial processes that involve extreme heat.

Materials with high thermal endurance are known as refractories. These are typically made from ceramics and are designed to withstand very high melting points and resist corrosion and thermal shock. Common examples include fireclay, high-alumina, silica, and silicon carbide materials, each suited for different high-temperature applications in industries like metallurgy and glassmaking.

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