3M™ Polyester Film Electrical Tape 1318-1Y features a 1.0-mil yellow polyester film backing coated with an aggressive acrylic adhesive. Specially formulated for high-speed automated taping machines, it provides reliable Class 130°C insulation and excellent resistance to chemicals and varnishes.
Key Performance Highlights
- Industry standard yellow color for electronic transformer outer wrapping
- Solvent-resistant acrylic adhesive prevents edge lifting during varnish dip
- UL Recognized Class 130°C insulation rating with 5,500V breakdown
- High tensile strength and excellent automated dispensing characteristics
Recommended Industrial Applications
Transformer outer wraps, color-coded yellow phase insulation, motor lead wraps
Authoritative Technical Specifications
| Backing Material | 1.0 mil (0.025 mm) yellow polyester (PET) film |
|---|---|
| Adhesive System | Solvent-resistant 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 · 5,500 Volts dielectric breakdown |
| Precision Converting | Precision Rotary Slitting, Die-Cutting, Custom Widths from 2mm to Log Width |
