Professional-grade 2-inch x 18-yard urethane foam tape with pressure-sensitive acrylic adhesive, designed for sound dampening, cushioning, and moisture sealing in industrial electronics and automotive applications.
3M™ Urethane Foam Tape 4104 is a premium firm, high-density, open-cell foam tape featuring pressure-sensitive acrylic adhesive on one side. This professional-grade tape is specifically engineered for industrial and occupational applications requiring superior cushioning, dampening, and sealing capabilities. The natural-colored tape measures 2 inches wide by 18 yards long with a 250 mil (6.4 mm) thickness, making it ideal for diverse applications across electronics, automotive, construction, and specialty vehicle industries.
The tape's advanced open-cell foam design effectively traps moisture, dust, and contaminants while allowing air and gas vapors to pass through, creating a breathable seal that prevents drafts and maintains component integrity. Its exceptional cushioning characteristics combined with high absorbency make it perfect for sound dampening and vibration absorption in sensitive electronic components such as printers, keyboards, computers, and aircraft lighting systems. The pressure-sensitive acrylic adhesive provides high initial quick-stick to multiple substrates with excellent chemical resistance and shear holding strength, performing reliably at temperatures up to 200°F (93°C) short-term and 350°F (176°C) long-term.
Each case contains 6 rolls of this premium tape, backed by silicone-treated paper liner for protection and clean application. The tape meets UL 94HBF flammability recognition standards and maintains a 24-month shelf life. With its proven reliability in demanding industrial environments, 3M Urethane Foam Tape 4104 delivers consistent performance for sealing, insulation, and component protection applications.
Key Features
- Firm, high-density open-cell foam design effectively traps moisture, dust and contaminants
- Breathable seal allows air and gas vapors to pass through while maintaining moisture barrier
- Excellent sound dampening and vibration absorption for electronic components
- Pressure-sensitive acrylic adhesive with high initial quick-stick to multiple substrates
- Superior shear strength and high temperature performance up to 350°F (176°C) long-term
- UL 94HBF flammability recognition for safety compliance
- Clean, attractive appearance with silicone-treated paper liner protection
- 24-month shelf life with reliable performance in indoor and outdoor applications
Technical Specifications
| Specification |
Value |
| Product Name | 3M Urethane Foam Tape 4104 |
| Part Number | 4104 |
| UPC Code | 00021200048722 |
| Overall Width (Imperial) | 2 inches |
| Overall Width (Metric) | 50.8 mm |
| Overall Length (Imperial) | 18 yards |
| Overall Length (Metric) | 16.45 meters |
| Thickness (Imperial) | 250 mil |
| Thickness (Metric) | 6.4 mm |
| Backing Material | Urethane |
| Foam Type | Firm, high-density open-cell |
| Adhesive Type | Pressure-sensitive acrylic (3M Adhesive 350) |
| Number of Adhesive Sides | Single-sided |
| Product Color | Natural |
| Primary Liner Material | 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) | Up to 200°F (93°C) |
| Temperature Performance (Long-term) | Up to 350°F (176°C) |
| Flammability Rating | UL 94HBF |
| Shelf Life | 24 months |
| Units per Case | 6 rolls |
| Smallest Saleable Unit | Roll |
| Application | Sealing, window and door glazing, cushioning, dampening |
| Indoor/Outdoor Rating | Indoor/Outdoor |
| Industries | Appliance, Construction, General Industrial, Specialty Vehicles, Transportation |
| Recommended Applications | Electronics cushioning and dampening, register covers, recessed lighting, door/window/cabinet seals |
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