... a high performance synthetic rubber-resin adhesive,protected by an easy-release silicone paper Features: 1) Soft aluminum foil, combined with ... in air-conditioning ductwork Specifications: 1) Foil thickness: 18, 22, 25, 30, 36, 40, 45, 50μm 2) Roll width: 48 ... roll: 1.2 x 45m, 1.2 x 50m 5) Jumbo roll: 1.2 x 1,200m, 1.2 x 1,000m Inner packing ...