Class 155 polyester coated polyamide film insulated round aluminum magnet wire is coated with polyester and polyamide materials. The polyester material has good adhesion and flexibility, suitable for various electrical insulation needs.
Characteristic
| Adhesion and Flexibility | No visible cracks on the film coating |
| Elongation | Not less than the value of 5-38 |
| Thermal Shock | No visible cracks on the film coating after conditioning at 175ºC |
| Dielectric Breakdown | 14-24AWG: Not less than the value of 2440v-3170v10-24 AWG: Not less than the value of 4380v-6120v |
| Continuity | 14-24 AWG: Maximum number of discontinuities meets 750±5% –1500±5% Maximum number of discontinuities meets 10-25. |
Regular compliance testing
| Solubility | Samples immersed in xylene and 50/50 xylene/butyl cellosolve shall not soften enough to expose bare conductors |
| Dielectric Breakdown Temperature Rating | Average value not less than 75% of the required value at room temperature |
Scratch resistance
Helical Coil Preparation and Bond Retention
| Wire SizeRangeAWG | 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 |