Aluminum foil / Fiberglass cloth / Flame Retardant solvent acrylic adhesive / silicon release paper Features: 1) Aluminum-glass cloth backing, combined with a transparent high performance Flame Retardant solvent acrylic adhesive, which provides high peel adhesion and strong holding power 2) Designed for sealing joints and seams of aluminum-glass cloth jacket facings in air-conditioning ductwork ...