3M Heavy Duty Duct Tape 3939 Silver 72 mm x 54.8 m 9.0 mil, 1 Roll maincategory_Head Protection lightweight construction

lightweight construction

and enhanced user comfort

It is often used for high temperature applications such as sealing ducts and as a back-up strip for submerged arc welding

The 3M Mercury Vapor/Organic Vapor/Acid Gas Cartridge 6007 helps provide protection against mercury vapor

is NIOSH approved for respiratory protection against certain organic vapors

3M Heavy Duty Duct Tape 3939 Silver 72 mm x 54.8 m 9.0 mil, 1 Roll maincategory_Head Protection lightweight constructionConstructed of polyethylene film laminated to cloth with a rubber adhesive, this durable tape resists curling and tears off the roll cleanly for easy application in MRO and construction. 3M