Professional-grade weather-resistant film tape with Tedlar PVF backing, acrylic adhesive, and exceptional durability for outdoor sealing and protection applications across construction, aerospace, and military industries.
3M Weather Resistant Film Tape 838 is a premium industrial-grade adhesive tape featuring a strong Tedlar PVF film backing combined with a solvent-resistant acrylic adhesive. This white tape measures 4 inches wide by 72 yards long with a total thickness of 3.4 mil, making it ideal for long-term outdoor applications requiring exceptional durability and weather resistance. The 2.1 mil Tedlar PVC film backing provides increased strength without adding bulk, while the acrylic adhesive offers immediate bonding and maintains superior adhesion even under extreme temperature variations ranging from -100°F to 225°F.
This versatile tape is specifically engineered for demanding applications in building and construction, aerospace, signage, military, and window and door industries. It delivers outstanding resistance to weathering, mechanical stress, and a wide variety of chemicals, solvents, and staining agents. The formulation contains no plasticizers, contributing to excellent long-term aging properties and reliable performance over extended periods. The tape remains tough and flexible across a broad temperature range, making it suitable for both extreme cold and heat exposure scenarios.
Each case contains 12 rolls of this professional-grade tape, meeting rigorous ASTM specifications including ASTM D3330, ASTM D3652, and ASTM D3759. The acrylic adhesive is resistant to jet engine fuel, hydraulic fluid, and lubricating oils, making it an excellent choice for aerospace and military applications. With an 18-month shelf life and solvent-resistant properties, this tape provides reliable performance for critical sealing, wrapping, and protection applications in outdoor exposure environments.
Key Features
- Tedlar PVF film backing provides exceptional strength without added thickness
- Excellent weather resistance ideal for long-term outdoor exposure applications
- Acrylic adhesive with immediate bonding and high shear strength
- Operates reliably in extreme temperatures from -100°F to 225°F
- Solvent resistant to jet fuel, hydraulic fluid, and lubricating oils
- Contains no plasticizers for superior long-term aging properties
- Outstanding mechanical properties and chemical inertness
- Tough and flexible across broad temperature ranges
- Meets ASTM D3330, D3652, and D3759 specifications
- Case of 12 rolls for industrial applications
Technical Specifications
| Specification |
Value |
| Product Name | 3M Weather Resistant Film Tape 838 |
| Part Number | 838 |
| UPC Code | 00048011584133 |
| 3M ID | 7010045186 |
| Width | 4 inches (101.6 mm) |
| Length | 72 yards (65.83 meters) |
| Total Thickness | 3.4 mil (0.09 mm) |
| Backing Material | Tedlar PVF Film |
| Backing Thickness | 2.1 mil (0.05 mm) |
| Adhesive Type | Acrylic |
| Adhesive Thickness | 0.05 mm |
| Adhesion Strength | 47 oz/in (51 N/100mm) |
| Tensile Strength | 24 lb/in (42 N/100mm) |
| Elongation at Break | 170% |
| Minimum Operating Temperature | -100°F (-73°C) |
| Maximum Operating Temperature | 225°F (107°C) |
| Product Color | White |
| Product Form | Roll |
| Number of Adhesive Sides | Single-sided |
| Units per Case | 12 Rolls |
| Shelf Life | 18 Months from Date of Manufacture |
| Specifications Met | ASTM D3330, ASTM D3652, ASTM D3759 |
| Application Type | Exterior Side Panel Bonding |
| Industries | Military & Government, Aerospace, Building & Construction, Signage |
| Brand | 3M |
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