ProTape 120 is a industrial grade cloth duct tape. Pro 120 is typically used in the HVAC industry on sheet metal and flex duct. Pro 120 is a good utility grade duct tape used in the automotive industry and commercial trucks. It is also used for carton sealing, book binding, seat repair, splicing, packaging, masking, holding and bundling. Excellent holding power. Waterproof backing. Excellent conformability and tack. Easy unwind and tear. Features quick stick, good adhesion, good tensile strength, short term, high temperature resistance, outdoor use, highly conformable, hand tearable, waterproof backing, weather resistant. Waterproof, polyethylene film with a polyester/cotton blend cloth carrier backing with natural rubber adhesive. 50 to 200 degrees F operating temperature. Having 27-pounds per inches of tensile strength. 50-ounces per inches adhesion to steel. Measures 60-yards length by 3-inches width by 10-mils thickness. Available in tan color. Can contribute toward satisfying EQ Credit 4.1 (Low Emitting Materials) under LEED. UL 723 listed.