Industrial-grade 1/2 inch urethane foam tape with acrylic adhesive, 18 yards per roll, 250 mil thickness. Provides sound dampening, vibration absorption, and moisture sealing for electronics and industrial applications.
3M™ Urethane Foam Tape 4104 is a premium industrial-grade foam tape featuring a firm, high-density open-cell urethane foam construction with a single-sided pressure-sensitive acrylic adhesive. This 1/2 inch wide tape comes in 18-yard rolls and is 250 mil (6.4 mm) thick, making it ideal for professional applications requiring superior cushioning and damping properties. The natural-colored foam is designed to trap moisture, dust, and contaminants while allowing air and gas vapors to pass through, creating a breathable seal that prevents drafts and maintains component integrity.
The tape features 3M™ Adhesive 350, a modified acrylic adhesive that provides high initial quick-stick to multiple substrates with excellent chemical resistance and shear holding strength. It performs reliably at temperatures up to 200°F (93°C) short-term and 350°F (176°C) long-term, making it suitable for demanding industrial environments. The silicone-treated paper liner protects the adhesive during storage and application, ensuring consistent performance and clean application every time.
With a density of 12 lb/ft³ (192 kg/m³) and tensile strength of 115 lb/in (795 kPa), this foam tape is engineered for electronics cushioning, sound dampening, and vibration absorption in applications such as printers, keyboards, computers, aircraft lights, and automotive dashboards. It meets UL 94HBF flammability recognition standards and is backed by 3M's commitment to quality. The 18-roll case format is perfect for manufacturing facilities and commercial operations requiring bulk quantities. This product is intended for industrial and occupational use only and is not for consumer sale.
Key Features
- Firm high-density open-cell foam design traps moisture, dust and contaminants effectively
- Breathable seal allows air and gas vapors to pass through while preventing drafts
- Excellent sound dampening and vibration absorption for electronic components
- 3M Adhesive 350 provides high initial quick-stick and excellent shear strength
- Performs reliably at temperatures up to 200°F short-term and 350°F long-term
- Single-sided acrylic adhesive with silicone-treated paper liner protection
- Meets UL 94HBF flammability recognition standards
- Excellent cushioning characteristics with high absorbency
- Suitable for multiple substrates with strong initial adhesion
- Ideal for electronics, automotive, and industrial sealing applications
Technical Specifications
| Specification |
Value |
| Product Number | 4104 |
| Brand | 3M™ |
| Overall Width (Imperial) | 0.5 in |
| Overall Width (Metric) | 12.7 mm |
| Overall Length (Imperial) | 18 yd |
| Overall Length (Metric) | 16.45 m |
| Backing Material | Urethane |
| Backing Thickness (Imperial) | 250 mil |
| Backing Thickness (Metric) | 6.4 mm |
| Product Color | Natural |
| Adhesive Type | Acrylic - 3M Adhesive 350 |
| Number of Adhesive Sides | Single-sided |
| Foam Type | Firm, High-Density Open-Cell |
| Density (Imperial) | 12 lb/ft³ |
| Density (Metric) | 192 kg/m³ |
| Tensile Strength (Imperial) | 115 lb/in |
| Tensile Strength (Metric) | 795 kPa |
| Elongation at Break | 1% |
| Primary Liner Material | Silicone Treated Paper |
| Primary Liner Color | White |
| Primary Liner Thickness (Imperial) | 3 mil |
| Primary Liner Thickness (Metric) | 0.08 mm |
| Temperature Performance (Short-term) | Up to 200°F (93°C) |
| Temperature Performance (Long-term) | Up to 350°F (176°C) |
| Shelf Life | 24 Months |
| Indoor/Outdoor | Indoor/Outdoor |
| Specifications Met | UL 94HBF |
| Smallest Saleable Unit | Roll |
| Units per Case | 18 Rolls |
| Applications | Sealing, Window and Door Glazing, Cushioning, Sound Dampening |
| Industries | Appliance, Construction, General Industrial, Specialty Vehicles, Transportation |
| UPC Code | 00021200675980 |
| 3M ID | 7010373391 |
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