Tiles 52*52 are almost the same as ceramics, which are used in the thin layer of the building, and it is also referred to as artificial stone.
******This product is Super-polished granite Full-size porcelain Nano, no water absorbsion, and its dimension is  52*52.******
Toluene is aromatic hydrocarbons and is found largely in coal tar. It is a light and flammable liquid and is used as a solvent in various industries such as paints and resins.