High-performance silver polyester film tape with aggressive acrylic adhesive for industrial splicing, web processing, and marking applications. Temperature resistant from -60°F to 300°F with excellent tensile strength and abrasion resistance.
The 3M™ Polyester Film Tape 850 Silver is a high-performance industrial adhesive tape specifically designed for splicing and web processing applications. This premium tape features an aggressive acrylic pressure-sensitive adhesive that provides quick stick and excellent long-term holding power, making it ideal for demanding industrial environments. The thin, high-strength polyester backing meets low caliper requirements to ensure it won't interfere with most machinery processes while providing superior resistance to tearing and abrasion during rough handling and web processing.
This versatile tape is engineered to withstand extreme temperature conditions, operating reliably from -60°F (-50°C) to 300°F (150°C), making it suitable for both cold and hot temperature operations. The silver color version is highly visible and ideal for applications requiring marking, identification, defect flagging where reflective sensing is required, and decorative striping. The tape meets various aerospace specifications and is commonly used in film splicing, movie film applications, core starting, label protection, and sealing applications across multiple industries including automotive, electronics, construction, and general industrial manufacturing.
With its low modulus and low Shore A hardness properties, this tape delivers consistent performance across diverse substrates and applications. Each case contains 24 rolls, providing excellent value for high-volume industrial operations. The tape's aggressive hold and quick stick capability make it the preferred choice for critical splicing operations where reliability and performance are paramount.
Key Features
- Aggressive acrylic adhesive provides quick stick and excellent long-term holding power for splicing applications
- Thin, high-strength polyester film backing meets low caliper requirements without interfering with machinery
- Polyester backing resists tearing and protects surfaces from abrasion and rough handling
- Temperature resistant from -60°F (-50°C) to 300°F (150°C) for extreme environment operations
- Silver color is highly visible for marking, identification, and defect flagging with reflective sensing capability
- Meets various aerospace specifications and industry standards including ASTM D3330, D3652, and D3759
- Low modulus and low Shore A hardness for consistent performance across diverse substrates
- Elongation at break of 120% provides flexibility and durability
- Tensile strength of 28 lb/in ensures reliable performance under stress
- Case of 24 rolls provides excellent value for high-volume industrial operations
Technical Specifications
| Specification |
Value |
| Product Name | 3M Polyester Film Tape 850 Silver |
| Part Number | 850 |
| UPC Code | 00021200043505 |
| 3M ID | 7000028858 |
| Overall Width (Imperial) | 2 inches |
| Overall Width (Metric) | 50.8 mm |
| Overall Length (Imperial) | 72 yards |
| Overall Length (Metric) | 65.83 meters |
| Total Tape Thickness without Liner (Metric) | 0.05 mm |
| Backing Material | Polyester |
| Backing Thickness (Imperial) | 0.9 mil |
| Backing Thickness (Metric) | 0.02 mm |
| Adhesive Type | Acrylic - Pressure Sensitive |
| Product Color | Silver |
| Tensile Strength (Imperial) | 28 lb/in |
| Tensile Strength (Metric) | 49 N/100mm |
| Elongation at Break | 120% |
| Minimum Operating Temperature (Fahrenheit) | -60°F |
| Minimum Operating Temperature (Celsius) | -50°C |
| Maximum Operating Temperature (Fahrenheit) | 300°F |
| Maximum Operating Temperature (Celsius) | 150°C |
| Shore A Hardness | Low |
| Modulus | Low |
| Units per Case | 24 rolls |
| Smallest Saleable Unit | Roll |
| Application Type | Butt Splicing and Core Starting |
| Primary Use | General Industrial |
| Specifications Met | ASTM D3330, ASTM D3652, ASTM D3759 |
| Industries | Appliance, Automotive, Construction, Electronics, General Industrial, Military & Government, Print, Specialty Vehicles, Transportation |
| Brand | 3M |
| Recommended for Aerospace | Yes - Meets various aerospace specifications |
| Use Type | Industrial/Occupational Use Only |
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