Granite installed in the open air for a long time may accumulate damage and mud stains over time. Regular maintenance and cleaning of granite has become an important part of the work. Many customers are not familiar with how to clean granite. In fact, in order to handle the surface of granite well, it is necessary to first understand the reasons that cause granite stains:

The stains on the surface of granite are mainly caused by the following three reasons.

1. The mud stains in the roadside green belt that stick to the surface of the curbstone can easily cause pollution.

2. Chemical reactions between air, water vapor, and iron elements in rocks can easily cause pollution.

3. Difficult to clean dirt such as tire scratches can easily cause stains on granite road edges.