Product Details Explanation of the dimensions: e.g. 13 x 10 mm, for 10 mm inner diameter x 13 mm insulation thickness Fire behaviour: building material class B/BL-s3, d0 - self-extinguishing, non-dripping, does not conduct fire. Material: elastomer foam based on synthetic rubber Area of application: sanitary and heating systems Water vapour diffusion resistance: U 7,000 Thermal conductivity: at 0°C ≤ 0.035 W/(m·K) Closed insulating hose Colour: black. Length: 2 metres Temperature range: -50 to 110 °C Insulation thickness: 9 mm / 13 mm / 19 mm