1, Nitrile Rubber Foam Insulation sheet roll, 2, lightweight, 3, building insulation material, 4, lower heat conductivity, Nitrile rubber foam sheet roll insulationBrief introduction as follows: 1, Best insulation thermal ... -15mm-20mm-25mm-30mm-32mm, covered with aluminum foilwidely used in HVAC systems, air duct insulation, gluewater (GW: 10kg/pcs)aluminum foil ...