Industrial-grade vent tape with non-woven porous backing for foam-in-place insulation processes. High air/gas permeability, strong pressure-sensitive adhesive, 1 in x 36 yd rolls, 36 per case.
3M™ Vent Tape 394 is a specialized industrial adhesive tape featuring a unique non-woven porous backing designed for high air and gas permeability applications. This white tape measures 1 inch in width, 36 yards in length, with a 4 mil thickness, and comes in cases of 36 individually wrapped rolls for convenient handling and storage. The tape is specifically engineered to meet outgassing requirements for foam-in-place insulation processes, particularly in appliance manufacturing such as refrigerators and freezers.
The non-woven synthetic backing provides excellent air and gas permeability while maintaining good burst strength and creating an effective solids barrier. This unique combination allows air and gases to escape during the foam-in-place manufacturing process while keeping foam solids in place, minimizing voids and reducing cleanup requirements. The pressure-sensitive acrylic adhesive ensures strong adhesion to a wide variety of surfaces, making it highly versatile for industrial applications.
Manufactured to exacting standards, 3M™ Vent Tape 394 is an industrial-grade solution developed by 3M's Industrial Adhesives and Tapes Division. With an 18-month shelf life from the date of manufacture and maximum operating temperature of 120°F (49°C), this tape delivers reliable performance in demanding manufacturing environments. The tape is intended for industrial and occupational use only and must be used in compliance with applicable health and safety regulations.
Key Features
- Unique non-woven porous backing with high air and gas permeability
- Pressure-sensitive acrylic adhesive bonds strongly to various surfaces
- Meets most outgassing requirements for foam-in-place insulation processes
- Good burst strength and solids barrier for minimal voids and reduced cleanup
- Individually wrapped rolls for convenient handling and storage
Technical Specifications
| Specification |
Value |
| Product Type | Specialty Application Tape |
| Brand | 3M |
| Width | 1 inch (25.4 mm) |
| Length | 36 yards (32.91 meters) |
| Thickness | 4 mil (0.1 mm) |
| Backing Material | Non-woven synthetic |
| Adhesive Type | Acrylic pressure-sensitive |
| Product Color | White |
| Adhesion Strength | 12 oz/in (13 N/100mm) |
| Tensile Strength | 6 lb/in (10.5 N/100mm) |
| Elongation at Break | 18% |
| Maximum Operating Temperature | 120°F (49°C) |
| Shelf Life | 18 months from date of manufacture |
| Rolls per Case | 36 individually wrapped rolls |
| Smallest Saleable Unit | Roll |
| Application | Outgas venting in appliances |
| Number of Adhesive Sides | Single-sided |
| Performance Level | Specialty |
| Part Number | 394 IW |
| 3M Product Number | 394 |
| 3M ID | 7010335135 |
| UPC | 00051115688362 |
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