Velvet Iron is the deep charcoal-grey colour of the Velvet collection: a glazed porcelain tile with a matt, concrete-look face, sized 60x60 CM and also offered in 60x120 and 80x80 CM. Lighter grey clouding and fine brushed streaks break up the dark base tone. Water absorption is < 0.05% (ISO-10545-3) and breaking strength > 1800 N (ISO-10545-4). Abrasion resistance is Class PEI 4 (2100 revolutions) (EN 154), slip resistance > 0.40 dry and > 0.40 wet (ISO-10545-17), and stain resistance Class 5 (ISO-10545-14). The tile passes frost resistance (ISO-10545-12) and is rated Class A1 - A1 fl for reaction to fire. The same collection includes Velvet Bianco, Velvet Crema, Velvet Grey and Velvet Shadow.