Astrix Charcoal is a polished 60x120 CM double charge tile with a marble look. A dark charcoal-brown base carries diagonal bands packed with rust-red and orange flecks, broken by fine grey and white streaks. For comparison, the listed values are glossiness above 70% (Gloss meter 60°), water absorption below 0.05% (ISO-10545-3), breaking strength above 2200 N (ISO-10545-4), apparent density above 2.40 g/cc (DIN 51082) and surface abrasion resistance Class PEI 4 (2100 revolutions, EN 154). Slip resistance (COF) is given as > 0.40 dry, <0.40 wet (ISO-10545-17); stain resistance is Class 5 and reaction to fire is Class A1 - A1 fl. Other Astrix colours are Navy, Crema, Nero, Tan and Ice White.