When the old concrete is dusty and sandy, first of all, use a special grinding machine to grind off the loose layer of the old concrete floor;

The second step of polishing the concrete floor, clean the polished floor with clean water;

The third step of polishing the concrete floor, after the ground is slightly dry and the ground is slightly wet, spray the curing material on the ground for more than an hour. If the temperature is low, the time should be appropriately extended. Brush the ground back and forth to make the curing agent evenly absorbed;

The fourth step of polishing the concrete floor, after the floor is completely dry, use a special grinding machine with a special polishing pad to polish the floor;

After the concrete floor is polished, the ground will never appear dust and sand, and the brightness of the ground is comparable to that of terrazzo, and the service life of the ground is prolonged.

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