... , ozone, and oxidation. HVACThis rubber sponge material proves beneficial in many HVAC systems and other flexible sealing applications, as it is ... or D1667Thermal conductivity75°F mean T (24°C)Btu·in./h·ft²·°F (W/mK)0.27 (0.039)ASTM ... C177 or C51890°F mean T (32°C)Btu·in./h·ft²·°F (W/mK)0.276 (0.040)Water ... , 19, 25, 32 , 40, 50)-Width, sheet/rollin (m)40", 48" (1, 1.22)-Length, sheet ft (m)36" (0.915)- ...