3M Venture Tape UL181B-FX polypropylene duct tape 1599B is a UL181B-FX Listed, UV resistant flexible duct closure tape featuring a cold weather acrylic adhesive system. It is designed to perform well in a broad range of temperatures and is primarily used for sealing flexible air ducts and air connectors and for securing flex ducts to duct wrap facing. 3M Venture Tape UL181B-FX polypropylene duct tape 1599B is a 3 mil, UV resistant, bi-axially oriented polypropylene (BOPP) flexible duct closure tape coated with a cold weather acrylic adhesive system. This tape is strong and conformable, allowing it to adhere to curved and irregular surfaces with ease. This tape offers excellent UV resistance while performing at elevated temperatures and in high humidity. The exterior of the tape is UL printed for easy identification. 3M Venture Tape UL181B-FX polypropylene duct tape 1599B meets or exceeds all requirements of UL181B-FX related to closure systems for flexible air ducts and air connectors. 3M Venture Tape UL181B-FX polypropylene duct tape 1599B is coated with a cold weather, pressure sensitive acrylic adhesive system that performs well in cold weather conditions, yet still excels at normal and elevated temperatures. The adhesive bonds immediately on contact to a variety of materials, including fiberglass, foam, metal and fibrous duct material. With a service temperature ranging from -40 deg F/-40 deg C to 185 deg F/85 deg C, this tape can be applied in a variety of environmental conditions. Once bonded, this tape features good aging properties and resists lifting and curling over time. In our 3M industrial adhesives and tapes division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.