Premium 1/4 inch charcoal gray urethane foam tape with acrylic adhesive, designed for sealing, cushioning, and sound damping in industrial and electronic applications. Features open-cell construction, excellent absorbency, and reliable performance up to 180°F.
3M™ Urethane Foam Tape 4314 is a premium conformable, low-density, open-cell foam tape featuring a pressure-sensitive acrylic adhesive on one side. This industrial-grade tape is specifically engineered to seal out air, dust, and light when compressed, making it ideal for demanding applications in electronics, automotive, and construction industries. The charcoal gray foam construction measures 1/4 inch (6.35mm) in width and comes in 18-yard rolls with a 250-mil thickness, offering exceptional versatility for multiple substrate adhesion.
The tape delivers excellent cushioning characteristics and high absorbency, effectively dampening sound and absorbing vibration in electronic applications such as printers, keyboards, computers, aircraft lights, and automotive dashboards. When compressed 50%, the open-cell construction provides an effective air barrier and cushion in electronic equipment while maintaining airflow for component cooling. The adhesive is protected by a thick silicone-treated paper liner, ensuring clean application and product protection during handling and storage.
Featuring 3M™ Adhesive 430, a pressure-sensitive modified acrylic formulation, this tape provides high initial quick-stick to various surfaces and substrates with excellent chemical resistance and shear holding strength. It performs reliably at temperatures up to 180°F (82°C) short-term and 150°F (70°C) long-term, with a 24-month shelf life. Each case contains 36 rolls, making it economical for industrial and occupational use in sealing, window and door glazing, and vibration damping applications.
Key Features
- Soft conformable low-density open-cell foam design seals out air, dust and light when compressed
- Excellent cushioning characteristics with high absorbency for superior damping performance
- Pressure-sensitive acrylic adhesive provides high initial quick-stick to multiple substrates
- Performs reliably at temperatures up to 180°F short-term and 150°F long-term
- Silicone-treated paper liner protects adhesive and ensures clean, professional application
- Ideal for electronic equipment including printers, keyboards, computers, and automotive dashboards
- Provides effective air barrier while maintaining airflow for component cooling
- Excellent chemical resistance and shear holding strength even at elevated temperatures
Technical Specifications
| Specification |
Value |
| Product Type | Single-sided Urethane Foam Tape |
| Brand | 3M™ |
| Model Number | 4314 |
| Part Number | 4314 |
| 3M Product Number | 4314 |
| 3M ID | 7010295156 |
| UPC | 00021200674693 |
| Color | Charcoal Gray |
| Width (Imperial) | 0.25 in (1/4 inch) |
| Width (Metric) | 6.35 mm |
| Length (Imperial) | 18 yd |
| Length (Metric) | 16.45 m |
| Thickness (Imperial) | 250 mil |
| Thickness (Metric) | 6.4 mm |
| Backing Material | Urethane |
| Foam Density (Imperial) | 2 lb/ft³ |
| Foam Density (Metric) | 32 kg/m³ |
| Adhesive Type | Pressure-sensitive Acrylic (3M™ Adhesive 430) |
| Number of Adhesive Sides | Single-sided |
| Liner Material | Silicone Treated Paper |
| Liner Thickness (Imperial) | 3 mil |
| Liner Thickness (Metric) | 0.08 mm |
| Tensile Strength (Imperial) | 25 lb/in |
| Tensile Strength (Metric) | 170 kPa |
| Temperature Range Short-term | Up to 180°F (82°C) |
| Temperature Range Long-term | Up to 150°F (70°C) |
| Shelf Life | 24 Months |
| Units per Case | 36 Rolls |
| Smallest Saleable Unit | Roll |
| Foam Cell Type | Open-cell |
| Foam Density Classification | Low-density |
| Primary Applications | Sealing, Window and Door Glazing, Sound Damping, Vibration Absorption |
| Industries | Appliance, Construction, General Industrial, Specialty Vehicles, Transportation |
| Indoor/Outdoor Rating | Indoor/Outdoor |
| Use Classification | Industrial/Occupational Use Only |
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