Our 181B Series Flexible Duct Closure Tape (Venture Tape 1599B) is a polypropylene film with an acrylic “CW” cold weather adhesive system. This adhesive will perform well in either sub-zero cold or abnormally warm temperatures. Listed with Underwriters Laboratories and meets or exceeds all requirements of UL181B-FX as they relate to closure systems for use with flexible air ducts and air connectors.
Total Thickness: 3 mil
Adhesion To Stainless Steel: 41 oz. / in.
Adhesion To Backing: 31 oz. / in.
Shear Indefinite @: 2.2 psi
Hot Shear 150oF Indefinite @: 2.2 psi
Tensile Strength: 22 lbs. / in.
Elongation: 150 %
Temperature Range: -35°F to 260°F
Mold Growth: 0