... 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 ... 65 Proposition 7, plastic bags for easy transportation 8, Sheet: Standard thickness: 10/15/20 ... covered with aluminum foilwidely used in HVAC systems, air duct insulation, gluewater (GW: 10kg/pcs) ...