... thermal insulation tube and sheet High work temperature Up +175 degree low Flammability B1 Grade 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,other ... ,13mm,20mm,25mm,32mm,50mm EPDM flexible elastomeric thermal insulation tube