How to choose dirty floor tiles

First, look at it, see if the surface of the floor tile is bright, the brighter the better, because the denser and harder the density, the brighter it will be after polishing! The brighter it is, the higher the hardness, the higher the wear resistance. The stronger the dirt resistance.

The second is to touch by hand, the more delicate the hand feels, the better the surface of the brick is similar to the human skin. The good skin pores are small and the feel is finer. The larger the pores, the rougher the feel. Dirty bricks must have small pores.

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