Polyurethane 0.04mm Ultra Fine Enameled Insulated Copper Wire
Features:
1. Solid enough, the wire is not easy to be broken
2. Insulation thickness can be customized
3. Wire can reach almost 0 pinhole
4. High consistency
5. The wire is even and tidy, which is convenient for users to wind
6. Low temperature soldering
7. Bonding method options: Hot air,Solvent and others
| Characteristics | Technical requests | |
| Sample 1 | Sample 2 |
| Surface | Good | OK | OK |
| Bare Wire Diameter | 0.040±0.001 | 0.04 | 0.04 |
| Coating Thickness | ≥ 0.006 mm | 0.011 | 0.01 |
| Overall Diameter | ≤ 0.052 mm | 0.051 | 0.05 |
| Conductor Resistance | ≤ 14.433 Ω/m | 13.736 | 13.768 |
| Elongation | ≥ 11 % | 14 | 15 |
| Breakdown Voltage | ≥ 325 V | 1178 | 1076 |
| Pinhole Test | ≤ 5 hole /5m | 0 | 0 |
| Continuity | ---- | ---- | ---- |
| Test Items | Technical Requests | Result | |
| Adhesive | Coating layer is good | OK | |
| Cut-through | 200℃ 2min no breakdown | OK | |
| Heat Shock | 175±5℃/30min no crack | OK | |
| Solder Ability | 390± 5℃ 2Sec Smooth | OK | |
