Benefits
- Helps create sharp and professional paint separation lines
- Reduces paint bleed-through during spraying
- Supports efficient masking of curved and irregular surfaces
- Helps simplify masking and removal operations
- Suitable for automotive and industrial refinishing processes
- Helps improve masking accuracy through its highly visible green backing
- Provides reliable holding performance during high-temperature paint processes
Technical Specifications
| Property | Typical Value |
|---|---|
| Product | 3M™ High Performance Green Masking Tape 401+ |
| Tape Type | High Performance Green Masking Tape |
| Backing | Heat-resistant treated crepe paper |
| Adhesive | Natural / Synthetic Rubber Blend |
| Color | Green |
| Total Thickness | Approx. 0.16 mm / 6.4 mil |
| Peel Adhesion | Approx. 3.8 N/cm at 23°C |
| Tensile Strength | Approx. 42 N/cm |
| Elongation at Break | Approx. 14% |
| Short-Term Temperature Resistance | Up to 121°C / 250°F for 30 minutes |
| Standard Roll Length | Commonly 55 m / 60 yd |
| Available Widths | Multiple widths available |
Technical values are representative and should be confirmed against the latest applicable 3M TDS before specification or purchasing.
Applications
- Automotive paint masking
- Automotive refinishing
- Two-tone vehicle painting
- Multi-color paint masking
- High-temperature paint baking
- Industrial spray painting
- Powder coating masking
- Specialty vehicle painting
- Truck and trailer painting
- Bus and rail vehicle painting
- Aerospace and marine paint masking
- Fascia painting
- Paint line separation and edge masking
Compatible Materials
3M™ 401+ can adhere to a range of commonly used surfaces, including:
- Metal
- Steel
- Aluminum
- Glass
- Plastic
- Rubber
- Painted surfaces
- EPDM rubber moldings
Actual adhesion and clean-removal performance should be evaluated on the specific substrate, coating, paint system, and process conditions.
Industries
- Automotive
- Specialty Vehicles
- Transportation
- Rail
- Aerospace
- Marine
- Industrial Manufacturing
- Metal Fabrication
- Automotive Refinishing
- Industrial Painting
Why Choose
3M™ 401+ Green Masking Tape combines a conformable crepe paper backing with a strong rubber-based adhesive to provide reliable masking for demanding painting processes. Its green backing improves visibility, while its resistance to paint bleed-through helps produce sharp paint edges. For applications requiring high-temperature paint baking, 401+ supports surface temperatures up to 121°C for 30 minutes.
Yousan can also provide slitting, rewinding, jumbo roll converting, custom widths, and die-cutting according to project requirements.
Installation Guide
- Ensure the application surface is clean, dry, and free from oil, dust, and loose contaminants.
- Apply the tape directly to the area that needs protection.
- Press the tape firmly along edges, corners, and contours.
- Ensure the masking edge is securely bonded to minimize paint bleed-through.
- Apply paint according to the coating manufacturer’s recommended process.
- During high-temperature baking, keep the surface temperature and exposure time within the recommended limits.
- Remove the tape carefully after the painting process while the application conditions are suitable.
Storage
Store 3M™ 401+ in its original packaging under normal conditions of approximately 16–27°C (60–80°F) and 40–60% relative humidity. Keep away from direct sunlight and excessive moisture. For best performance, use within 12 months from the date of manufacture.
FAQ
Q1: Is 3M 401+ a masking tape?
Yes. 3M™ 401+ is a high-performance green crepe paper masking tape designed primarily for industrial paint masking.
Q2: Is 3M 401+ suitable for automotive painting?
Yes. It is specifically designed for critical paint masking applications in automotive and specialty vehicle markets.
Q3: What color is 3M 401+?
It is green, which improves visibility during masking.
Q4: Can 3M 401+ be used for high-temperature painting?
Yes. It can withstand surface temperatures up to 121°C (250°F) for 30 minutes in paint bake operations.
Q5: Can 3M 401+ create sharp paint lines?
Yes. Its conformable crepe paper backing and resistance to paint bleed-through help create sharp paint lines.
Q6: Can Yousan supply custom sizes of 3M 401+?
Yes. Yousan can provide converting services such as slitting, rewinding, custom widths, and die-cutting based on project requirements.
Downloads
Available upon request:
- 3M 401+ Masking Tape Technical Data Sheet (TDS)
- Safety Data Sheet (SDS)
- Product Brochure
- Custom Die-Cut Adhesive Solution Guide
Please contact our sales team if you require the latest technical documentation.
