EPDM closed foam flexible thermal insulation tube and sheet High work temperature Up +175 degree low ... %≤5Dimension stability93±°C7d%≤6Crack resistance goodFormaldehyde ExclusiveAmmonium nitrite ExclusivePolyethylene Exclusivegdflex insulation pipe available length:1.8m,2m is standard,other length ... ,76mmthickness:10mm,13mm,20mm,25mm,32mm,50mm EPDM flexible elastomeric thermal insulation tube