3M™ Polyimide Film Electrical Tape 1205 is an industrial electrical tape combining a 1.0-mil polyimide film backing with an aggressive, solvent-resistant acrylic adhesive. Engineered for wrapping transformers, capacitors, and wire harnesses requiring Class 155°C electrical insulation with exceptional resistance to chemical cleaning agents and varnish impregnation.
Key Performance Highlights
- 1.0 mil polyimide film with aggressive solvent-resistant acrylic adhesive
- UL Class 155°C (311°F) continuous thermal rating and UL 510 flame retardant
- Resists solvent attack from varnish impregnation and circuit board washing fluids
- Supplied on a removable liner for precision automated slitting and die-cutting
Recommended Industrial Applications
Transformer coil wrapping, capacitor layer insulation, lead anchoring, wave soldering
Authoritative Technical Specifications
| Backing Material | 1.0 mil (0.025 mm) polyimide film |
|---|---|
| Adhesive System | Solvent-resistant acrylic pressure-sensitive adhesive |
| Total Thickness | 0.076 mm (3.0 mil) |
| Operating Temperature | -40°C to 155°C (-40°F to 311°F) |
| Visual Color / Appearance | Amber / Translucent Gold |
| Dielectric / Flame Rating | UL 510 Recognized, File E17385, UL Class 155°C |
| Precision Converting | Precision Rotary Slitting, Die-Cutting, Custom Widths from 2mm to Log Width |
