Duct TapeSpecialty formulated pressure sensitive adhesive. Excellent tensile strength, adhesion attack properties. Designed for the most demanding HVAC applications. Extra thick adhesive to provide excellent sealing bond to all types of surfaces. Adhesion to Steel: 70 oz/in; Color: Silver; Length: 60 yd; Packing Type: Roll; Series: 229; Temperature Range: 200.0 °F [Max]; Tensile Strength (2): 23 lb/in; Thickness: 12 mil; Type: Versatile Performance; Width: 2 in.