Genuine Armacell AF/ArmaFlex Evo flexible closed-cell insulation tube, designed for copper and iron pipes with an outer diameter of 64mm. Features a 21mm wall thickness and is supplied in 2-meter lengths. This high-performance insulation material is based on synthetic rubber, offering excellent thermal conductivity (0.033 W/(m·K) at 0 °C) and high water vapour diffusion resistance (≥ 10,000). It is suitable for a wide range of applications including heating, hot water, cold water, chilled water, refrigeration, air conditioning, and ventilation systems. Enhanced with Microban® antimicrobial protection and achieving Euroclass B-s3, d0 fire rating. Typically sold in packaging units containing 18 meters (9 x 2m tubes).