Accoflex® W It is a closed-cell thermal insulation material with enhanced fire property. It is tough & flexible with a smooth and powdered inner surface for say installation on copper pipes used for Split air-conditioning systems and VRVVRF applications . Key features • Class 1 fire classification according to BS 476 Part 7 • Reliable condensationsweat control • Easy to install • Tough & flexible insulation • Smooth powdered inner surface for easy installation • Non-Corrosive on Copper pipes