Thermo-teK LM Air ALU is a lightweight glass mineral wool mat, consisting of individual mineral wool strips (lamellas) which are bonded on one side to a tear-resistant glass mesh reinforced aluminum foil. Due to its excellent flexibility and light weight in combination with good mechanical strength and stiffness, it is a perfect solution for use in rectangular and circular ventilation ducts, as well as in small, round objects and pipes. Maximum service temperature: 250 °C, thermal conductivity (40 °C): 0.042 W/(mK), reaction to fire: A2-s1, d0 and density: 28 kg/m3.

Mineral glass wool , aluminum-coated, KNAUF Thermo-Tek Alu, 25 Kg/m3, 50x1200x20000 mm , 24 m2/pack , Ʀ=1.25m2.K/W , ʎ=0.039 W/m.k