Polar Nero is the near-black colour of the Polar collection: a 60x60 CM glazed porcelain tile in a matt finish with a stone look. Its face is a deep charcoal with subtle lighter clouding and faint brushed marks, for a dark, stone-like surface. The Polar collection comes in 60x60, 60x120 and 80x80 CM, and also in Polar Grey. The specs that matter for choosing: water absorption < 0.05% (ISO-10545-3), breaking strength > 1800 N (ISO-10545-4), surface abrasion resistance Class PEI 4 (2100 revolutions) (EN 154), slip resistance (COF) > 0.40 dry and > 0.40 wet (ISO-10545-17), stain resistance Class 5 (ISO-10545-14), frost resistance Pass (ISO-10545-12) and reaction to fire Class A1 - A1 fl.