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 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
3M 25705, Scotch-Brite Roloc Surface Conditioning Disc, SC-DR, A/O Medium, TR, 3/4 in, 7000120983, 200/case
3M 49833, Multi-Purpose Duct Tape 3900, Black, 48 mm x 54.8 m, 7.7 mil, 7000148383
3M 49830, Multi-Purpose Duct Tape 3900, Red, 48 mm x 54.8 m, 8.1 mil, 7000144749
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
3M 62607, Scotch-Weld Threadlocker TL42, Blue, 250 mL Bottle, 7100039192, 2/case
ACS CX1250 Diamond Belt, 1/2" X 24" 125u
3M 25138, Scotch-Weld Threadlocker TL43, Blue, 10 mL Bottle, 7100039219, 10/case
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
3M 71883, Flexible Diamond Hand File 6210J, No 2, White, 18, N20, 7000082161, 10 Per Case
3M 05208, Hookit Sanding Block D/F, 70MM x 198MM, 7000028311
Standard Abrasives 37446, PSA A/O Disc, 700595, 1-1/2 in x NH, 60, 7010331822
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915
Standard Abrasives 710870, Cartridge Roll Mandrel, 1/8 in x 1/2 in x 1/4 in x 1-1/4 in x 2-1/4 in CM-7, 7000121794
Standard Abrasives 37339, PSA A/O Disc, 712123, 5 in x NH, 40, 7010331799
3M™ 07010, Supplied Air Respirator Hose W-9435-25/07010(AAD), 25 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005374, 1 EA/Case
3M 15913, Scotch-Brite Roloc Disc High Strength, TR, 2 in X NH A Medium, 7000000710
3M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
3M 94724, Cubitron ll Cloth Belt 947A, 60+ X-weight, 2 in x 72 in, Film-lok, Single-flex, , 7100035127, 50 per case
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case 
