Industrial-grade 1.5 inch x 18 yard urethane foam tape with acrylic adhesive for sealing, cushioning, and sound dampening in electronics and automotive applications. Features low-density open-cell construction with 250 mil thickness and 6 rolls per case.
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 measures 1.5 inches wide by 18 yards long with a 250 mil thickness and comes in a convenient 6 roll per case package. The charcoal gray foam design creates an effective air barrier and cushion when compressed, making it ideal for sealing applications in electronic equipment, automotive components, and construction projects.
The tape's open-cell construction provides excellent cushioning characteristics with high absorbency, effectively sealing out moisture, dust, and drafts. It features 3M™ Adhesive 430, a pressure-sensitive modified acrylic adhesive that delivers high initial quick-stick to multiple substrates with excellent chemical resistance and shear holding strength. The adhesive performs reliably at temperatures up to 180°F (82°C) short-term and 150°F (70°C) long-term, with full adhesion typically achieved within 20 minutes of application.
This versatile foam tape is designed for industrial and occupational use, offering superior sound dampening and vibration absorption properties. The silicone-treated paper liner protects the adhesive and ensures easy application. Recommended applications include cushioning in printers, keyboards, computers, aircraft lights, automotive dashboards, register covers, recessed lighting, and door/window/cabinet seals. With a 24-month shelf life and single-sided adhesive configuration, this tape delivers consistent performance across diverse mounting and sealing applications.
Key Features
- Soft conformable low-density open-cell foam design for superior air sealing and cushioning
- Acrylic pressure-sensitive adhesive with high initial quick-stick and excellent shear strength
- Effective sound dampening and vibration absorption for electronic equipment applications
- Temperature resistant adhesive performing up to 180°F short-term and 150°F long-term
- Silicone-treated paper liner protects adhesive and ensures clean, easy application
Technical Specifications
| Specification |
Value |
| Product Type | Urethane Foam Tape |
| Model Number | 4314 |
| Overall Width | 1.5 inches (38.1 mm) |
| Overall Length | 18 yards (16.45 meters) |
| Thickness | 250 mil (6.4 mm) |
| Backing Material | Urethane |
| Foam Density | 2 lb/ft³ (32 kg/m³) |
| Color | Charcoal Gray |
| Adhesive Type | Acrylic (3M™ Adhesive 430) |
| Number of Adhesive Sides | Single-sided |
| Liner Material | Silicone Treated Paper |
| Liner Thickness | 3 mil (0.08 mm) |
| Tensile Strength | 25 lb/in (170 kPa) |
| Temperature Performance | Up to 180°F (82°C) short-term, 150°F (70°C) long-term |
| Shelf Life | 24 months |
| Units per Case | 6 rolls |
| Smallest Saleable Unit | Roll |
| Indoor/Outdoor Use | Indoor/Outdoor |
| Application | Sealing, Window and Door Glazing |
| Industries | Appliance, Construction, General Industrial, Specialty Vehicles, Transportation |
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