3M Extreme Sealing Tape 4412W+ is a white, 3-inch wide, 0.080-inch thick sealing tape offering instant adhesion, rugged construction, and water-tight performance for outdoor industrial applications without caulking mess.
3M™ Extreme Sealing Tape 4412W+ is a premium white sealing solution engineered for quick and clean sealing applications in both indoor and outdoor environments. This single-coated tape features a durable thermoplastic polyolefin (TPO) backing with a powerful acrylic adhesive that delivers instant adhesion to metals and plastics. The tape is specifically designed to seal over existing seams, splices, overlaps, edges, rivets, joints, screw heads, holes, and gaps, eliminating the need for messy caulking equipment and associated cure times.
With a robust construction measuring 0.080 inches (2.0 mm) thick and 3 inches wide, this tape provides exceptional resistance to sun, rain, extreme temperatures, vibration, and thermal expansion or contraction. The linerless design supports sustainability goals by eliminating traditional liner waste without compromising performance. 3M™ Extreme Sealing Tape 4412W+ is engineered to overcome the challenges of sealing out water, dust, dirt, and other environmental factors, making it ideal for industrial applications such as cargo trailer rail seals, HVAC enclosures, roof sealing, exterior side panel sealing, and truck and trailer roof sealing.
This water-tight, UV-resistant tape conforms excellently over fasteners and uneven surfaces while maintaining its adhesive strength. Available in a convenient 3 roll per case format with 18 yards per roll, it represents a reliable, durable solution for professionals requiring dependable sealing performance. The tape's flexibility and conformability make it suitable for both construction and general industrial applications across transportation, specialty vehicles, metalworking, and signage industries.
Key Features
- Instant adhesion single-coated tape for quick and clean sealing applications
- Rugged construction with resistance to sun, rain, extreme temperatures, vibration, and thermal expansion
- Durable TPO backing that is flexible and conformable over fasteners, seams, joints, holes, and gaps
- Water-tight and UV-resistant for outdoor industrial applications including HVAC, roof sealing, and trailer seals
- Linerless design eliminates waste and supports sustainability goals without compromising performance
Technical Specifications
| Specification |
Value |
| Product Number | 4412W+ |
| Material Backing | Thermoplastic Polyolefin (TPO) |
| Adhesive Type | Acrylic, Permanent, Single-sided |
| Overall Width | 3 inches (76.2 mm) |
| Overall Length | 18 yards (16.5 meters) |
| Total Tape Thickness | 0.080 inches (2.0 mm) |
| Backing Thickness | 0.004 inches (0.1 mm) |
| Adhesive Thickness | 0.076 inches (1.9 mm) |
| Core Size | 3 inches (76.2 mm) |
| Product Color | White |
| Application Temperature Range | 10°C to 93°C (50°F to 200°F) |
| Physical Form | Solid Tape Roll |
| Shelf Life | 24 Months |
| Water-tight | Yes |
| UV Resistant | Yes |
| Foam Conformability | Very Conformable |
| Features | Abrasion Resistance, Heat Resistance, Humidity Resistance, Low Temperature Resistance |
| Indoor/Outdoor | Both |
| Container Type | Roll (3 rolls per case) |
| UPC Code | 00068060759528 |
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