4578 D ceramic wall tile, 60x30 cm, in a matt finish from the 4578 collection's "Texture & Decor" look. The face is a mid grey with a fine, speckled, concrete-like grain across the whole surface. The 4578 collection also includes 4578 L and 4578 H1. Water absorption is > 12-18% (ISO-10545-3). Modulus of rupture is > 18 N/mm2 and breaking strength > 800 N (ISO-10545-4). Stain resistance is Class 5 (ISO-10545-14), and the tile passes frost resistance (ISO-10545-12) and thermal shock resistance (ISO-10545-9).