Premium weather-resistant industrial tape with Tedlar® PVF backing, acrylic adhesive, and solvent resistance. Ideal for outdoor construction, aerospace, and military applications with exceptional durability.
3M™ Weather Resistant Film Tape 838 is a premium industrial-grade adhesive tape specifically engineered for long-term outdoor and weather-resistant applications. This white tape features a strong, thin Tedlar® PVF Film backing with a high shear strength and solvent-resistant acrylic adhesive, making it ideal for demanding environments. The 3.4 mil thick tape combines exceptional strength with minimal thickness, providing reliable performance across building and construction, aerospace, signage, military, and window and door industries.
The tape's Tedlar® PVF Film backing provides superior strength without adding bulk, while maintaining excellent resistance to weathering and outdoor exposure. It features outstanding mechanical properties and inertness toward a wide variety of chemicals, solvents, and staining agents. With no plasticizers in its composition, this tape delivers superior long-term aging properties. The acrylic adhesive provides immediate adhesion on contact to various substrates and maintains high, secure bonding for extended periods, even in climate and temperature variations.
Perfectly suited for sealing outdoor building panels, windows, doors, shower door hinges, and critical moisture intrusion areas, this tape performs reliably across a broad temperature range from -100°F (-73°C) to 225°F (107°C). The tape's solvent resistance includes jet engine fuel, hydraulic fluid, and lubricating oils, making it an excellent choice for aerospace and military applications. Each roll measures 47 inches wide by 72 yards long, providing substantial coverage for industrial projects.
Key Features
- Tedlar® PVF Film backing provides exceptional strength without added thickness
- Excellent resistance to weathering for extended outdoor exposure applications
- Outstanding mechanical properties and inertness to chemicals, solvents and staining agents
- Acrylic adhesive maintains adhesion through temperature and climate variations
- Solvent resistant to jet engine fuel, hydraulic fluid and lubricating oils
- No plasticizers for superior long-term aging properties
- Strong and flexible across broad temperature range -100°F to 225°F
- Immediate adhesion on contact with high shear strength
- Ideal for aerospace, military, construction and window/door industries
- Single-sided adhesive with white liner material
Technical Specifications
| Specification |
Value |
| Product Type | Specialty Application Tape |
| Backing Material | Tedlar PVF Film |
| Adhesive Type | Acrylic |
| Product Color | White |
| Overall Width (Metric) | 1,193.8 mm (47 inches) |
| Overall Length | 72 yards |
| Total Tape Thickness | 3.4 mil (0.09 mm) |
| Backing Thickness | 2.1 mil (0.05 mm) |
| Adhesive Thickness | 0.05 mm |
| Adhesion Strength (Imperial) | 47 oz/in |
| Adhesion Strength (Metric) | 51 N/100mm |
| Tensile Strength (Imperial) | 24 lb/in |
| Tensile Strength (Metric) | 42 N/100mm |
| Elongation at Break | 170% |
| Maximum Operating Temperature | 225°F (107°C) |
| Minimum Operating Temperature | -30°F (-34°C) |
| Number of Adhesive Sides | Single-sided |
| Liner Color | White |
| Liner Material | Acrylic |
| Product Form | Roll |
| Smallest Saleable Unit | Roll |
| Shelf Life | 18 months from date of manufacture |
| Specifications Met | ASTM D3330, ASTM D3652, ASTM D3759 |
| Application | Exterior Side Panel Bonding |
| Industries | Military & Government, Aerospace, Construction, Window & Door |
| Part Number | 838 |
| 3M Product Number | 838 |
| 3M ID | 7010048661 |
| UPC | 00051128998977 |
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