Tape Length 10-20 m Tape Width 20-40 mm Feature Water Proof Adhesive Acrylic Use Carton Sealing Duct Tapes is cloth or scrim-backed pressure sensitive tapes often laminated with polyethylene. Features: Duct Tapes are strong Flexible and very sticky tapes Some have a long-lasting adhesive and resistance to weathering. Usages: Duct Tapes actually designed for sealing ventilation ducts, heavy duty packing, jointing and bundling the metal or plastic parts.