Suitable for both indoor and outdoor use, our thick backing and specially formulated rubber adhesive provide a strong bond and clean removal to safeguard various surfaces for up to 6 months in outdoor conditions. The heavy paper backing also filters damaging UV rays for an added element of protection. Our 3M™ Heavy Duty Protective Tape 346 provides an economical way to shield many metals, plastics and materials in transit from costly surface damage and is a useful asset for aerospace, military, marine, specialty vehicle, transportation, automotive, metal fabrication and other industrial environments.

Also available in an 18 inch roll
Application Ideas:
- Protection of boat deck and interior cabin surfaces during building, finishing and refurbishing
- Steel tank protection during fabrication and welding
- Protection of aircraft parts and surfaces (e.g., wings, windows, etc.) during maintenance, storage shipping
- Indoor and outdoor protection of metals and plastics
- Protection of materials in transit from abrasion damage caused by movement within shipping containers (e.g., outdoor motors)

3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
3M 94738, Cubitron ll Cloth Belt 947A, 120+ X-weight, 6 in x 48 in, Film-lok, Single-flex, 7010299911, 20 per case
3M 14270, Disc Pad Face Plate, 4-1/2 in Hard Black, 7000144144
3M 20913, PSA Cloth Disc 348D, 36 X-weight, 2 in x NH, Die 200P, 7000118919
3M 20932, PSA Cloth Disc 348D, 80 X-weight, 1 in x NH, Die 100N, 7000118914
3M 50013, Venture Tape Cloth Duct Tape 1500, Silver, 72 mm x 55 m (2.83 in x 60.1 yd), 7010337384
3M 29833, Sanding Screen, 120 Grit, 18 in x NH, 7100160843
3M 94288, SecureFit Safety Helmet, X5007X-ANSI, Orange, 1Ea/Box, 4 box/CS, 7100175559
3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
3M 25705, Scotch-Brite Roloc Surface Conditioning Disc, SC-DR, A/O Medium, TR, 3/4 in, 7000120983, 200/case
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 36850, Dirt Trap Protection Material, White, 6 in x 300 ft, 7100132342
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
3M 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953
3M 22819, Cloth Belt 970DZ, P120 Y-weight, 8 in x 150 in, Film-lok, Single-flex, 7010299954, 10 per case
3M 05612, Polyurethane Glass Adhesive Sealant 590, Black, 600 mL Sausage Pack, 7000121536, 12/Case
3M™ 53797, Flexible Diamond Belt 6451J, 1/2" Dia x 18" L, M125 Micron, Type G, Pattern B2, 7010509272 
