Professional-grade 3M polyester electrical tape with 600V rating, thermosetting adhesive, and superior chemical resistance for industrial insulation applications
3M™ Polyester Film Electrical Tape 56 is a professional-grade, moisture-resistant electrical tape designed for demanding insulation applications requiring high dielectric strength. This premium tape features a pressure-sensitive, thermosetting rubber adhesive bonded to a durable polyester film backing that provides optimized adherence and exceptional conformability. With a 600V rating and ability to withstand temperatures ranging from 32 to 266 °F (0 to 130 °C), this tape is ideal for coil covers and layer insulation in industrial and occupational settings.
The tape offers excellent resistance to chemicals, solvents, moisture, abrasion, and cut-through, making it suitable for challenging electrical insulation tasks. Each case contains 96 rolls of 72-yard tape, each measuring 3/8 inch in width. The tape maintains its performance characteristics over a 5-year shelf life and meets rigorous industry standards including UL Listed certification and RoHS 2011/65/EU compliance. The highly conformable nature of the polyester film backing ensures superior coverage and reliable electrical insulation even in difficult-to-reach applications.
This industrial-grade tape is engineered for trained professionals and occupational use only, delivering consistent, dependable performance in manufacturing, electrical maintenance, and equipment assembly applications. The combination of thermosetting rubber adhesive and polyester film backing creates a tape that bonds securely while maintaining flexibility and durability throughout its service life.
Key Features
- Pressure-sensitive thermosetting rubber adhesive for superior bonding and conformability
- Polyester film backing provides optimized adherence and excellent chemical resistance
- 600V rated with dielectric strength of 5500V for high-voltage electrical applications
- Temperature range 32 to 266 °F (0 to 130 °C) for diverse industrial environments
- UL Listed and RoHS 2011/65/EU compliant for regulatory compliance
- Resistant to chemicals, solvents, moisture, abrasion, and cut-through
- Suitable for coil covers and layer insulation applications
- 96 rolls per case with 72-yard length and 3/8 inch width for bulk efficiency
- 5-year shelf life for extended storage and inventory management
- Professional-grade quality for trained industrial and occupational use
Technical Specifications
| Specification |
Value |
| Product Type | Electrical Insulation Tape |
| Backing Material | Polyester Film |
| Adhesive Type | Pressure-Sensitive Thermosetting Rubber |
| Width (Imperial) | 0.38 inches (3/8 inch) |
| Width (Metric) | 9.5 millimeters |
| Length per Roll (Imperial) | 72 yards |
| Length per Roll (Metric) | 65.8 meters |
| Color | Yellow |
| Voltage Rating | 600V |
| Dielectric Strength | 5500V |
| Minimum Operating Temperature (Fahrenheit) | 32 °F |
| Minimum Operating Temperature (Celsius) | 0 °C |
| Maximum Operating Temperature (Fahrenheit) | 266 °F |
| Maximum Operating Temperature (Celsius) | 130 °C |
| Rolls per Case | 96 rolls |
| Shelf Life | 5 years |
| Tape Grade | Professional |
| Brand | 3M™ |
| Part Number | 56-Y-3/8"X72YD |
| 3M ID | 7100074556 |
| UPC | 00051128563106 |
| Certifications | UL Listed, CSA Certified, UL Recognized, RoHS 2011/65/EU Compliant |
| Application | Electrical Insulation, Coil Covers, Layer Insulation |
| Chemical Resistance | Resistant to chemicals, solvents, moisture, abrasion, and cut-through |
| Intended Use | Industrial and occupational use only - Not for consumer sale or use |
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