Rectified Porcelain Stone Tiles 1) 300x300, 300x600, 600x600mm 2) EN14411 certificate Rectified Porcelain Stone Tiles1) Cement Stone Series: 300x300, 300x600, 600x600mm; ZZ6869 Black Color;2) Water Absorption: 0.3%; Bending Strength: 30N/mm2; Hardness: 6 Mosh; Slip resistance: WET - 0.60; Frost resistance: No Breaks or Visible Effect3) EN14411 certificate Rectified Porcelain Stone Tiles