... 1. wonderful texture 2. great gloss 3. lower water absorption 4.big size 800X800 porcelain tiles 1:General ... , Higher gloss, Higher strength & hardness, Better chemical stability, Lower water absorption, Resistance to pollution, Maintainance free, Frost resistance,good thermal ... C(second firing). (6) Warter absorption: microcrystal glass layer 0%, vitrified layer less than 0.1%. (7) Glossness: more than ...