aluminum foil / rubber resin adhesive / silicone release paper Features: 1) Soft aluminum foil, combined with a transparent high performance rubber-resin adhesive, which ... holding power 2) Designed for sealing joints and seams of foil jacket facings in air-conditioning ductwork Specifications: 1 ... ) Foil thickness: 18, 22, 25, 30, 36, 40, 45, 50μm ...