3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757 
Standard Abrasives 722809, PSA A/O Extra Disc, 5 in x NH, 60, 7010368721 
3M 85494, Scotch Foil Tape 3326-A, 2.5 in x 60 yd (63.5 mm x 54,8 m), 7010303724
This item has been Discontinued.
3326 Foil Tape is recommended for use on UL listed rigid fiberglass air duct in accordance with the Duct Board Manufacturers installation instructions.
Scotch Foil Tape 3326 is especially designed for use on UL listed flexible and rigid air ducts. Its specially formulated acrylic adhesive bonds quickly and holds even at 25oF. Its soft aluminum handles and applies easily but still provides strength for UL 181A and ULB FX compliance. The printed backing provides code compliance verification for building inspectors.
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