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How does granite’s quartz content affect UV resistance?
Granite is a popular natural stone known for its durability and aesthetic appeal. One of its key components, quartz, plays a significant role in determining its resistance to ultraviolet (UV) light. Quartz, which makes up 20-60% of granite’s composition, is highly resistant to UV radiation due to its crystalline structure. This inherent stability helps granite maintain its color and structural integrity even under prolonged sun exposure.
Higher quartz content in granite translates to better UV resistance. Quartz’s non-porous nature minimizes the absorption of UV rays, reducing the risk of fading or surface degradation. In contrast, granite with lower quartz content may show signs of weathering over time when exposed to sunlight.
Additionally, quartz’s hardness and chemical inertness contribute to granite’s overall durability. This makes quartz-rich granite an excellent choice for outdoor applications like countertops, pavers, and cladding, where UV exposure is inevitable.
In summary, the quartz content in granite directly impacts its UV resistance. Choosing granite with higher quartz percentages ensures long-lasting beauty and performance, especially in sunlit environments.
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