Class 130 polyurethane coated polyamide film insulated round copper magnet wire is composed of polyurethane coating and polyamide film, with excellent insulation performance, suitable for various occasions requiring high performance insulation and conductive performance.
Characteristic:
| Adhesion and flexibility | Thin film coating with no visible cracks |
| Elongation | A value no less than 14-36 |
| Thermal Shock | After treatment at 175ºC, the film coating showed no visible cracks |
| Springback | 14- 30AWG Maximum angle per turn: not more than the value in 42-70 Mandrel diameter (mm): not more than the value in 82.6±0.127 – 19.0±0.127 Tension (±2%): not more than the value in 4.45±2% – 0.56±2% |
| Dielectric breakdown | 9AWG: not less than 18700v-3400v 10-23.5AWG: not less than 2740v-3740v 24-37AWG: not less than 1306v-2710v 38-44AWG: not less than 300v-500v |
| Continuity | The maximum discontinuity number complies with 350±5% – 2500±5% The maximum discontinuity number complies with 3-15. |
| Solderability | After immersion at 390°C for the specified time, the maximum number of continuous solder film coverage complies with 10-25. |
Regular compliance testing:
| Thermoplastic flow | The median value is not less than 170°C |
| Solubility | Samples immersed in xylene should not soften enough to expose bare conductors |
| Dielectric breakdown at rated temperature | The average value is not less than 75% of the required value at room temperature |
Scratch resistance:
Helical Coil Preparation and Bond Retention
| Wire SizeRange AWG | Mandrel Diameter(inches) | Maximum Winding Force(grams) | Load on Coil During Bonding(grams) | Peel Strength at Room Temperature(grams) | Peel Strength at Elevated Temperature(grams) |
| 14-14.5 | 0.55 | 1200 | 675 | 850 | 350 |
| 15-15.5 | 0.47 | 1200 | 500 | 650 | 250 |
| 16-16.5 | 0.43 | 1200 | 450 | 600 | 225 |
| 17-17.5 | 0.39 | 1200 | 400 | 500 | 200 |
| 18-18.5 | 0.35 | 500 | 350 | 425 | 175 |
| 19-19.5 | 0.31 | 500 | 250 | 350 | 125 |
| 20-20.5 | 0.28 | 500 | 200 | 285 | 100 |
| 21–21.5 | 0.24 | 500 | 175 | 225 | 90 |
| 22-23.5 | 0.20 | 200 | 125 | 160 | 65 |
| 24-25.5 | 0.16 | 200 | 75 | 110 | 35 |
| 26-27.5 | 0.12 | 80 | 50 | 70 | 25 |
| 28-31.5 | 0.08 | 80 | 35 | 35 | 20 |
| 32-33.5 | 0.04 | 30 | 25 | 25 | 10 |
| 34-37.5 | 0.04 | 12 | 15 | 12 | 10 |
| 38-40.5 | 0.04 | 5 | 5 | 8 | 5 |
| 41-41 | 0.04 | 5 | 5 | 5 | 5 |