3M™ Polyester Film Electrical Tape 1351-1Y is a versatile electrical tape featuring a 1.0-mil yellow polyester backing and an acrylic adhesive. Formulated for fast-tack adhesion to magnet wire and bobbin plastics, it delivers dependable Class 130°C insulation and solvent resistance.
Key Performance Highlights
- Smooth 1.0 mil yellow polyester backing with high-tack acrylic adhesive
- Excellent resistance to chemical solvents, cleaning agents, and varnish impregnation
- UL Recognized Class 130°C component for electronic power conversion
- Clean unwind and sharp slitting edges for automated bobbin winding
Recommended Industrial Applications
Transformer outer wraps, bobbin coil layer insulation, capacitor wrapping
Authoritative Technical Specifications
| Backing Material | 1.0 mil (0.025 mm) yellow polyester (PET) film |
|---|---|
| Adhesive System | High-tack acrylic pressure-sensitive adhesive |
| Total Thickness | 0.063 mm (2.5 mil) |
| Operating Temperature | Up to 130°C (266°F) · UL Class 130°C |
| Visual Color / Appearance | Yellow (1-mil Polyester) |
| Dielectric / Flame Rating | UL Recognized, File E17385 · 5,000 Volts dielectric breakdown |
| Precision Converting | Precision Rotary Slitting, Die-Cutting, Custom Widths from 2mm to Log Width |





