Onyx Brown is a 60x60 CM double charge tile with a polished finish and a marble look, part of the "Onyx – DC" collection. Warm brown waves run diagonally across the face, mixed with rust, dark chocolate and pale sand-coloured patches. Glossiness is > 70% (Gloss meter 60°), and water absorption is < 0.05% (ISO-10545-3). The tile has a breaking strength of > 2200 N and a modulus of rupture of > 40 N/mm2 (ISO-10545-4). Surface abrasion resistance is Class PEI 4 (2100 revolutions) (EN 154), scratch hardness 5 on the Mohs scale and stain resistance Class 5. It is rated Pass for frost and thermal shock resistance, and Class A1 - A1 fl for reaction to fire.