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How does marble’s durability compare in polluted urban air?
Marble, a timeless and elegant natural stone, is often praised for its beauty and durability. However, in polluted urban environments, its resilience can be tested. Urban air pollution, laden with sulfur dioxide, nitrogen oxides, and particulate matter, can accelerate the deterioration of marble surfaces. These pollutants react with moisture to form acidic compounds, leading to etching, discoloration, and loss of polish over time.
Compared to other stones like granite, marble is more susceptible to chemical weathering due to its calcium carbonate composition. Regular maintenance, such as sealing and cleaning with pH-neutral products, can mitigate damage. Despite its vulnerability, marble remains a popular choice for its aesthetic appeal, though it requires extra care in polluted areas. Understanding these factors helps in making informed decisions for urban architectural projects.
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