Margo Onyx Silver is a polished glazed porcelain tile with a marble look, in the 80x80 CM size. Its face is a very pale, near-white ground crossed by soft white and light grey veining that runs diagonally over the tile. The Margo Onyx collection also comes in 60x60, 60x120 and 30x60 CM, and in the colours Margo Onyx Blue, Natural and Aqua. Water absorption is < 0.05% (ISO-10545-3) and breaking strength > 1800 N (ISO-10545-4). The polished face measures glossiness > 92 GU (Gloss meter 60°), with surface scratch hardness 5 on the Mohs scale (EN 101), stain resistance Class 5 (ISO-10545-14) and reaction to fire Class A1 - A1 fl.