Nashua Tape 1086938 1.89 in. x 60 yds. UL181B FX Listed Duct Tape in Black

Nashua 55 in.7 UL181B-FX Listed Duct Tape acts as a superior closure system for use with UL listed flexible, non-metallic air ducts and air connectors. Heavy duty bundling, sealing, and repairs. Superior quality, performance, and tensile strength.

• For use on UL listed flexible air duct
• Wide range of uses in heating, air conditioning, ventilating, and refrigeration applications
• Excellent shear strength, and strong high-tack adhesive
• Resistance to mold growth, humidity, flame spread and smoke generation

Polyken Nashua 557 metallic duct tape comes in a 48 mm width and 55 m length. When purchasing this product, consider the thickness. The variances in thickness often make an important difference in proper performance. This duct tape has a 14 mil thickness. Some duct tapes have grades assigned to them. This particular duct tape is considered premium. This duct tape meets the following standards: UL 181B-FX.
Specifications:

Standards Met: UL 181B-FX

Specification parameters description:

Grade:
Grade refers to a general categorization of the tape's intended application. Grade categories take into consideration a number of performance factors including the tape's adhesion strength, thickness, condition and material of the intended substrate, suitability for indoor and outdoor use, and any specialized coatings that may resist ultraviolet (UV) light, abrasion, and corrosion.
Standards Met:
ASTM - ASTM International, formerly known as American Society for Testing and Materials CAN/ULC - Underwriters Laboratories of Canada IBC - International Building Code IFC - Industry Foundation Classes IFGC - International Fuel Gas Code IMC - International Mechanical Code IPC - Association Connecting Electronics Industries, formerly known as Institute for Interconnecting and Packaging Electronic Circuits IRC - International Residential Code NBCC - National Building Code of Canada NCB - National Certification Body NEC - National Electrical Code NFPA - National Fire Protection Association UL - Underwriters Laboratories