The whole body brick (also called vitrified brick, polished brick, etc. in the market) is made by pressing the rock debris under high pressure. After polishing the surface, the hardness can be lower than that of the stone, and the water absorption rate is lower and the wear resistance is good. The surface of the whole brick is not glazed, and the material and color of the front and back sides are the same, hence the name. Although there are varieties such as osmosis and whole body bricks, they are relatively inferior to glazed tiles. Most non-slip tiles are all-in-one bricks.
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