143 THE WORLD’S FIRST CLOSED-CELL INSULATION TO MEET EN 45545-2 FIRE PROTECTION REQUIREMENTS ArmaFlex® Rail • The leading and most innovative closed-cell thermal insulation available to the railway industry worldwide • High-tech insulation with advanced fire protection for railway vehicles • Closed cell insulation with built-in water vapour barrier reduces risk of corrosion under insulation (CUI) • Extremely low smoke density, no burning droplets in the event of fire • Reduced risk of mould and mildew contributes to improved indoor air quality • First flexible closed-cell insulation to meet hazard level 2 & 3 according to EN 45545