Industrial-grade 1-inch urethane foam tape with acrylic adhesive for sound dampening, cushioning, and moisture sealing in electronics and automotive applications. 18-yard rolls, 9 per case.
3M™ Urethane Foam Tape 4104 is a premium firm, high-density, open-cell foam tape featuring a pressure-sensitive acrylic adhesive on one side. This industrial-grade tape is specifically engineered to provide exceptional cushioning, sound dampening, and vibration absorption properties for demanding applications. The 1/4 inch thick foam construction with silicone-treated paper liner creates an effective moisture and dust barrier while allowing air and gas vapors to pass through for breathable sealing. The tape measures 1 inch wide by 18 yards long and comes in a convenient 9-roll case, making it ideal for high-volume industrial applications.
The 3M Adhesive 350 formulation delivers high initial quick-stick to multiple substrates while providing excellent shear strength and temperature resistance. This tape performs reliably across a wide temperature range, with short-term performance up to 200°F (93°C) and long-term performance up to 350°F (176°C). The natural color open-cell foam design effectively traps moisture, dust, and contaminants while maintaining structural integrity. The tape meets UL94HBF flammability standards, ensuring safety in critical applications.
Ideal for cushioning and damping sound in electronics such as printers, keyboards, computers, aircraft lights, and automotive dashboards, this tape also excels in register covers, recessed lighting, and door/window/cabinet seals. The firm, high-density foam provides attractive and clean appearance after application, while the adhesion typically reaches satisfactory levels within 20 minutes and continues to build with additional time. With a 24-month shelf life and excellent chemical resistance, 3M Urethane Foam Tape 4104 is the professional choice for applications requiring reliable sealing, cushioning, and protection.
Key Features
- Firm, high-density open-cell foam design traps moisture, dust and contaminants effectively
- Allows air and gas vapors to pass through for breathable sealing and component cooling
- Excellent sound dampening and vibration absorption for electronics and automotive applications
- 3M Adhesive 350 provides high initial quick-stick and excellent shear strength at elevated temperatures
- Performs reliably from 200°F short-term to 350°F long-term with outstanding chemical resistance
- Meets UL94HBF flammability standards for safety-critical applications
- Silicone-treated paper liner protects adhesive and ensures clean application
- Typical adhesion builds within 20 minutes and continues to strengthen over time
Technical Specifications
| Specification |
Value |
| Part Number | 4104 |
| Product Color | Natural |
| Overall Width (Imperial) | 1 inch |
| Overall Width (Metric) | 25.4 mm |
| Overall Length (Imperial) | 18 yards |
| Overall Length (Metric) | 16.45 meters |
| Backing Material | Urethane |
| Foam Type | Firm, high-density open-cell |
| Thickness (Imperial) | 250 mil |
| Thickness (Metric) | 6.4 mm |
| Adhesive Type | Acrylic (3M Adhesive 350) |
| Number of Adhesive Sides | Single-sided |
| Primary Liner | Silicone Treated Paper |
| Primary Liner Color | White |
| Primary Liner Thickness (Imperial) | 3 mil |
| Primary Liner Thickness (Metric) | 0.08 mm |
| 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% |
| Temperature Performance Short Term | 200°F (93°C) |
| Temperature Performance Long Term | 350°F (176°C) |
| Indoor/Outdoor | Indoor/Outdoor |
| Shelf Life | 24 months |
| Units per Case | 9 rolls |
| Smallest Saleable Unit | Roll |
| Specifications Met | UL 94HBF |
| UPC Code | 00021200034145 |
| 3M ID | 7000122495 |
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