Premium 1-inch polyester electrical tape with 7000V dielectric strength, thermosetting rubber adhesive, and superior chemical/moisture resistance for industrial insulation applications.
3M™ Polyester Film Electrical Tape 57 is a premium general-purpose electrical insulation tape designed for industrial and occupational applications requiring exceptional dielectric strength and temperature resistance. This high-performance tape features a polyester film backing with thermosetting rubber adhesive, making it ideal for layer insulation, coil covers, and capacitor wraps in demanding electrical environments. The tape withstands operating temperatures ranging from 32°F to 266°F (0°C to 130°C), providing reliable performance in both cold and hot conditions.
With a 2-mil film thickness and 7000V dielectric strength, this electrical tape delivers superior electrical insulation capabilities for professional maintenance and repair work. The polyester backing offers exceptional resistance to chemicals, solvents, moisture, cut-through, and abrasion, ensuring long-lasting protection in harsh industrial settings. The highly conformable nature of the tape allows it to wrap smoothly around irregular surfaces and components, while the thermosetting rubber adhesive provides strong initial tack and permanent hold without slipping or peeling.
Each case contains 36 rolls of 1-inch wide tape with 72-yard length per roll, offering substantial coverage for industrial facilities and maintenance departments. This product is RoHS 2011/65/EU compliant and UL Listed, meeting stringent safety and environmental standards. The 5-year shelf life ensures the tape remains effective throughout extended storage periods, making it an economical choice for bulk purchasing and inventory management.
Key Features
- General purpose polyester tape with thermosetting rubber adhesive for reliable electrical insulation
- Withstands higher-temperature conditions up to 266°F (130°C) compared to acetate cloth backings
- Conformable design with excellent chemical, solvent, moisture resistance and cut-through protection
- 7000V dielectric strength with 1x10^6 megohms insulation resistance for superior electrical performance
- 2-mil film thickness provides optimal balance between flexibility and durability for professional applications
Technical Specifications
| Specification |
Value |
| Product Type | Polyester Film Electrical Tape |
| Brand | 3M™ |
| Part Number | 57 1"X72YD |
| UPC | 00051128563588 |
| 3M ID | 7010045305 |
| Width (Imperial) | 1 inch |
| Width (Metric) | 25.4 mm |
| Length per Roll (Imperial) | 72 yards |
| Length per Roll (Metric) | 65.8 meters |
| Tape Thickness (Imperial) | 3.5 mil |
| Tape Thickness (Metric) | 0.089 mm |
| Rolls per Case | 36 rolls |
| Adhesive Type | Thermosetting Rubber |
| Backing Material | Polyester Film |
| Color | Yellow |
| Dielectric Strength | 7000 V |
| Insulation Resistance | 1 x 10^6 megohms |
| Elongation at Break | 110% |
| Operating Temperature Range (Fahrenheit) | 32°F to 266°F |
| Operating Temperature Range (Celsius) | 0°C to 130°C |
| Minimum Operating Temperature (Fahrenheit) | 32°F |
| Minimum Operating Temperature (Celsius) | 0°C |
| Maximum Operating Temperature (Fahrenheit) | 266°F |
| Maximum Operating Temperature (Celsius) | 130°C |
| Electrolytic Corrosion Factor | 1 |
| Application | Electrical Insulation |
| Shelf Life | 5 years |
| Specifications Met | UL 510, RoHS 2011/65/EU, UL Listed, UL Recognized |
| Compliance | RoHS 2011/65/EU Compliant, UL Listed |
| Intended Use | Industrial and occupational use only |
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