Athena Gris is a concrete-look glazed porcelain tile with a polished finish, in an 80x160 CM format. Its face is a warm grey with a soft, cloudy, stone-like mottle, and the polished surface reaches a glossiness of > 92 GU (gloss meter 60°). Athena Gris is one colour of the Athena collection, alongside Athena Bianco, Athena Crema and Athena Gold. Besides 80x160, it comes in 60x60, 60x120, 30x60 and 80x80 CM. Key specs for choosing: water absorption < 0.05% (ISO-10545-3), breaking strength > 1800 N (ISO-10545-4), surface scratch hardness 5 on the Mohs scale (EN 101), stain resistance Class 5 (ISO-10545-14), slip resistance (COF) > 0.40 dry, <0.40 wet (ISO-10545-17), and reaction to fire Class A1 - A1 fl.