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Selection of repair methods for aluminum plate
1, the physical method is mechanical grinding, specifically sand blasting and wire drawing. , generally used for deep scratches.

2. Chemical methods are generally polished with chemical reagents. Simply put, chemical reagents are used to corrode the surface of aluminum. Because the edge of the scratch is sharp and the corrosion rate is fast, the lighter scratch can be completely eliminated after chemical polishing. The surface of chemical polishing material is bright and beautiful.