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 3Mâ„¢ 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 20921, PSA Cloth Disc 348D, 80 X-weight, 1-1/2 in x NH, Die 150S, 7010299967
Dynabrade 79126 3/4" W x 18" L 60 Grit DynaCut Premium Ceramic Belt, 50/pack
3M 75951, 663FC 1" X 30", 20u Diamond Trizact Belts, 7100210975
3M 28217, Cubitron II Roloc Disc 984F, 60+ YF-weight, TR, 3 in, Die R300V, 7010326790
Standard Abrasives 800025, Mini Cross Buff Kit, 7000121826
Dynabrade 92012 1" Dia. x 1" W, 36 Grit, Z/A DynaCut Band, 10/pack
3M 05579, Cloth Belt 577F, 80 YF-weight, 2 in x 48 in, Film-lok, Single-flex, 7010308379, 50 per case
3M 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case 
