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How does granite’s resistance to thermal stress compare?
Granite is renowned for its exceptional resistance to thermal stress, making it a preferred material for high-heat applications like countertops, flooring, and industrial surfaces. Its low thermal expansion coefficient ensures minimal dimensional changes under temperature fluctuations, reducing the risk of cracking or warping. Compared to materials like marble or quartz, granite outperforms in durability when exposed to sudden temperature shifts, such as placing hot pans directly on its surface.
The mineral composition of granite, primarily quartz and feldspar, contributes to its heat-resistant properties. Quartz, in particular, has high thermal stability, allowing granite to withstand temperatures up to 1,200°F (650°C) without significant damage. However, rapid cooling after extreme heating can still cause microfractures over time.
In contrast, engineered stones like quartz composites may discolor or degrade under prolonged heat exposure, while natural stones like marble are more prone to thermal shock. Granite’s resilience makes it ideal for kitchens, outdoor installations, and even aerospace applications where thermal stress is a concern. Proper sealing and maintenance further enhance its longevity in high-temperature environments.
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