

-
Description for 3M 346
A heavy duty natural colored flat stock paper tape for indoor and outdoor protection of many metals, plastics and materials in transit and features a heavy duty weather resistant backing.Application Type Bond 1 Part or 2 Part 1-Part Material Form Protective Tape Substrate Copper, Metal, Plastics, Steel, Windows, Brass Industry Protection of boat deck surfaces, Protection of aircraft windows, Outdoor motors, Protection of aircraft surfaces, Protection of aircraft parts, Protection of aircraft wings Manufacturer 3M Chemistry Rubber Cure Method Pressure Sensitive Application Temperature (°F) 60 to 100 Color Tan -
Technical Data for 3M 346
Overview
-
Application Type
- Adhesive - Bond
-
1 Part or 2 Part
- 1-Part
-
Material Form
- Tape - Protective Tape
-
Industry
- Marine - Protection of boat deck surfaces
- Aerospace Window - Protection of aircraft windows
- Aircraft - Protection of aircraft surfaces, Protection of aircraft wings, Protection of aircraft parts
- Industrial
- Motors - Outdoor motors
- Other - Protection of interior cabin surfaces, Steel tank protection during fabrication/welding
-
Chemistry
- Other - Rubber
-
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
-
Color
- Brown - Tan
Specifications
Cure Specs
Application Temperature (°F) 60 to 100 Bond Strength
General Bond Strength (psi) 22 (oz./in.) Test Method Tensile Strength (psi) 28 (lbs./in.) Test Method Material Resistance
Abrasion Resistance abrasion resistance Moisture/Humidity Resistance moisture resistant Hardness
Elongation (%) 4 Test Method Business Information
Shelf Life Details Storage: Store in a clean, dry environment between 60-80°F (15-27°C) and 40-50% relative humidity. Shelf Life Temperature (°F) 140 to 176 Shelf Life Type From date of manufacture. Shelf Life (mon) 12 Not Good For
Don't Use For Not designed for paint masking or sand blast operations -
-
Best Practices for 3M 346
-
Surface Preparation
The surface to which tape is to be applied should be clean and free of all traces of oil and moisture.
-
Testing
Test for clean removal on all anodized aluminum surfaces. Improper sealing of surface causes adhesive transfer
-
-
Comparable Materials for 3M 346
Spec Engine® Results
Popular Articles
Lightweighting drives automotive adhesives demand
Read Article6 objects held together by adhesives you probably can't live without
Read ArticleInfographic: ENSURING A STRONG BOND - 6 Basic Methods of Surface Preparation
Read ArticleTesting the effectiveness of surface treatments
Read ArticleSponsored Articles
Unique Advantages of Contact Adhesives
Read ArticleUsing LOCTITE® 454™ is a Valid Option for Engineers Working with a Wide Variety of Materials
Read ArticleSylgard 184 by DOW is the Top Choice for a Transparent, Silicone Encapsulant. Read Why:
Read ArticleCase Study: Creating reliable, corrosion-free bonds with LORD® 406 acrylic adhesive
Read ArticleFeatured Ads
