Rectified Porcelain Stone Tiles 1) Antique Stone Series: 300x300, 300x600,600x600mm ZH6422 Beige Color; ZI6420 Grey Color; ZA6426 Brown Color; 2) Water Absorption: 0.3%; Bending Strength: 30N/mm2; Hardness: 6 Mosh; Slip resistance: WET - 0.60; Frost resistance: No Breaks or Visible Effect; 3) Semi-Polished Surface Workable.