We developed our 3M™ Heavy Duty Protective Tape 346 as a natural colored flat stock paper tape to preserve product value by protecting surfaces on a variety of metals, plastics and other materials from abrasion and moisture for extended periods of time.

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)

• Heavy flat stock tape provides abrasion and moisture resistance to protect product value
• Specially formulated rubber adhesive is stain and transfer resistant and long aging to help reduce clean up
• Stable adhesive can be used up to 6 months outdoors and still provide reasonably clean removal under most conditions
• Long aging adhesive can be used up to 6 months nd still provide reasonably clean removal under most conditions
• Rubber adhesive is stain and transfer resistant to protect underlying surfaces

• Backing Material: Flat paper stock
• Color: Tan
• Package Quantity: 1 EACH
• Part Number: 346
• Thickness: 16.7 mil
• Width: 24 in