Smoke Ash double charge tiles from the "Smoke – Polished" collection come in a 60x60 CM size with a polished, marble-look face. Light grey and white cloud-like patches are broken by dark grey to black veining, giving an even, stone-like pattern when laid. The polished surface has a glossiness of > 70% (Gloss meter 60°), water absorption of < 0.05% (ISO-10545-3) and breaking strength of > 2200 N (ISO-10545-4). Surface abrasion resistance is Class PEI 4 (2100 revolutions) (EN 154), scratch hardness is 5 on the Mohs scale (EN 101), stain resistance is Class 5 (ISO-10545-14) and reaction to fire is Class A1 - A1 fl. The collection also includes Smoke Crema, Smoke Pista and Smoke White.