... foam insulation tube Sheet UV resitance treatment work temperature(-200Celsius --+175Celsius) low Flammability B1 Our EPDM closed cell tube and sheet insulation ... stability93±°C7d%≤6Crack resistance goodFormaldehyde ExclusiveAmmonium nitrite ExclusivePolyethylene Exclusivegdflex insulation pipe available length:1.8m,2m is standard, ... ,13mm,20mm,25mm,32mm,50mm epdm closed foam rabber insulation tubes