Professional-grade blue masking tape with superior adhesion, heat and humidity resistance up to 110°C, ideal for automotive refinishing and industrial applications with clean removal and excellent surface conformability.
3M™ High Performance Blue Masking Tape 3434 is a premium crepe paper masking tape engineered for demanding automotive refinishing and industrial applications. This professional-grade tape features exceptional adhesion and is specifically designed to perform in hot and humid environments up to 110°C (230°F). The tape is solvent and water resistant, making it ideal for 45-minute bake cycles and humid conditions. It delivers superior holding power even on challenging surfaces like plastic and rubber, while maintaining excellent conformability to difficult or irregular surfaces without tearing.
This high-adhesion masking tape combines advanced engineering with practical performance features. It removes cleanly with minimal adhesive transfer and slivering, featuring an easy hand tear design for convenient application. The blue crepe paper backing provides excellent opacity and matte finish for professional results. Whether used for aperture masking, jamb masking, overspray protection, or paint masking applications, this tape consistently delivers best-in-class performance across aerospace, automotive, marine, and general industrial sectors.
Each case contains 20 rolls of 48mm x 50m tape, providing substantial coverage for large-scale projects. The 76.2mm paper core ensures compatibility with standard tape dispensers. Engineered as one of the highest-adhesion 3M masking tapes available, the 3434 model represents the pinnacle of masking tape technology for professional and industrial use.
Key Features
- High-adhesion formula engineered for demanding masking applications
- Solvent and water resistant with operation up to 110°C (230°F)
- Excellent holding power on plastic, rubber, and painted surfaces
- Clean removal with minimal adhesive transfer and slivering
- Superior conformability to irregular and difficult surfaces without tearing
- Easy hand tear design for convenient application
- Best-in-class performance rating for professional use
- Moisture resistant for humid environment applications
Technical Specifications
| Specification |
Value |
| Product Number | 3M 3434 |
| Part Number | 07899 |
| 3M ID | 7100037744 |
| Overall Width (Metric) | 48 mm |
| Overall Width (Imperial) | 1.89 inches |
| Overall Length (Metric) | 50 m |
| Overall Length (Imperial) | 54.68 yards |
| Backing Material | Crepe Paper |
| Core Material | Paper |
| Core Size (Metric) | 76.2 mm |
| Core Size (Imperial) | 3 inches |
| Adhesive Type | Rubber |
| Product Color | Blue |
| Surface Finish | Matte |
| Gloss Level | Low Gloss |
| Opacity | Translucent |
| Maximum Operating Temperature (Celsius) | 110°C |
| Maximum Operating Temperature (Fahrenheit) | 230°F |
| Minimum Operating Temperature (Celsius) | 18.3°C |
| Minimum Operating Temperature (Fahrenheit) | 65°F |
| Elongation at Break | 10.50% |
| Tensile Strength (Metric) | 115 N/25mm |
| Clean Removal | Yes |
| Moisture Resistant | Yes |
| UV Resistant | No |
| Indoor/Outdoor | Indoor |
| Performance Level | Best |
| Smallest Saleable Unit | Roll |
| Quantity per Case | 20 Rolls |
| Surface Types | Metal, Painted Surface, Plastic, Rubber, Trim |
| Brand | 3M™ / Scotch® |
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