Industrial-grade pink venting tape with non-woven conformable backing for foam-in-place insulation applications. Features high air/gas permeability, strip-coated acrylic adhesive, and meets ASTM specifications. 3/4 inch x 36 yard rolls, 48 per case.
3M™ Venting Tape 3294 is a specialized pink non-woven synthetic backing tape with strip-coated low-tack pressure sensitive acrylic adhesive designed for high-performance venting applications. This industrial-grade tape features a unique conformable non-woven backing that provides exceptional air and gas permeability, making it ideal for foam-in-place insulation processes in appliance manufacturing. The tape allows air and gases to escape while keeping solid materials such as urethane foam securely in place, effectively minimizing foaming voids and reducing post-manufacturing cleanup requirements.
The strip-coated adhesive design is engineered to maximize permeability in uncoated areas, helping to eliminate voids while maintaining excellent sealing performance. With a total thickness of 5 mil and an adhesion strength of 9 oz/in, this tape meets stringent ASTM specifications including D3330, D3652, and D3759. The tape comes in a convenient 3/4 inch width by 36 yard length format, packaged 48 rolls per case for efficient bulk purchasing and warehouse management.
Commonly used in refrigerator and freezer manufacturing, 3M™ Venting Tape 3294 solves the critical challenge of venting insulation foam gases while maintaining foam integrity within cabinet cavities and door assemblies. The non-woven backing provides good burst strength and conformability, ensuring effective sealing across irregular surfaces and complex geometries. With an 18-month shelf life and maximum operating temperature of 120°F (49°C), this tape delivers reliable performance throughout the manufacturing process and maintains its integrity during storage.
Key Features
- Unique non-woven conformable backing with high air and gas permeability
- Strip-coated low-tack acrylic adhesive for minimal foaming voids
- Meets critical ASTM specifications D3330, D3652, and D3759
- Designed for foam-in-place insulation processes in appliance manufacturing
- Excellent conformability and burst strength for effective sealing on irregular surfaces
Technical Specifications
| Specification |
Value |
| Product Type | Pressure Sensitive Tape |
| Backing Material | Non-woven synthetic |
| Adhesive Type | Low-tack pressure sensitive acrylic, strip-coated |
| Overall Width | 0.75 inches (1.9 cm) |
| Overall Length | 36 yards (32.9 meters) |
| Total Thickness | 5 mil (0.13 mm) |
| Backing Thickness | 4 mil (0.1 mm) |
| Adhesion Strength | 9 oz/in (9.9 N/100mm) |
| Tensile Strength | 14 N/100mm |
| Elongation at Break | 15% |
| Maximum Operating Temperature | 120°F (49°C) |
| Product Color | Pink |
| Liner Material | Acrylic |
| Adhesive Sides | Single-sided |
| Shelf Life | 18 months from date of manufacture |
| Case Quantity | 48 rolls per case |
| Smallest Saleable Unit | Single roll |
| ASTM Specifications | ASTM D3330, ASTM D3652, ASTM D3759 |
| Primary Application | Outgas venting in appliances (refrigerators, freezers) |
| 3M Part Number | 3294 |
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