Type | Polyester | Modified Polyester | Polyurethane | Polyester imide | Polyamide-imide | Polyamide |
Code | PEW, QZ | PEW, QZ | UEW, QA | EIW, QZY | EI/AIW, QZY/XY | AIW, QXY |
Thermal Class | Class B, 130 ºC | Class F, 155 ºC | Class F, 155 ºC | Class H, 180 ºC | Class H, 200 ºC | Class L, 220 ºC |
Insulation thickness | Grade 1, 2, 3 | |||||
Standard | IEC 60317, NEMA MW, JIS | |||||
Characteristics |
Good heat resistance and mechanical strength.
Low cost. |
High mechanical strength, good elasticity, scratch resistance, adhesion, electrical properties and solvent resistance |
Solderability(no need to remove the insulation).
High frequency resistance and dyeability |
Good thermal shock resistance and refrigerant resistance.
Excellent chemical resistance, abrasion resistance |
More comprehensive performance, with high heat resistance, mechanical properties, refrigerant resistance and chemical resistance |
Highest heat class
High heat resistance, good solvent and refrigerant resistance |
Standard or specification : IEC60317-25 | |||||
Description or specimen : Q(ZY/XY)L-2/200 3.90 | |||||
Test items | Requirement | Test results | Item conclusion | ||
1. Appearance |
Uniform color
smooth surface |
Uniform color
smooth surface |
Qualified | ||
2. Dimensions | |||||
Conductor Size | 3.861-3.939mm | 3.902mm | Qualified | ||
Increase in diameter | ≥0.089 | 0.091mm | Qualified | ||
Over all diameter | ≤4.033 | 3.993mm | Qualified | ||
3. Electrical resistance |
≥0.002269
≤0.002406 |
0.002356 | Qualified | ||
4. Elongation | ≥15% | 36% | Qualified | ||
5. Adherence and flexibility | |||||
Mandrel winding test |
Elongation 15%
No Film-cracking |
No Film-cracking | Qualified | ||
Peel test | No Film-cracking after layup | No Film-cracking | Qualified | ||
6. Heat shock | Elongation 15% 220 ºC 30min No Film-cracking | No Film-cracking | Qualified | ||
7. Cut through temperature | 2min 320 ºC No Breakdown | No Breakdown | Qualified | ||
8. Unidirectional scrape |
Min7.9N
Avg9.3N |
Min26.8N
Avg27.2N |
Qualified | ||
9. Breakdown voltage | ≥2.5KV | 6.0 6.3 5.9 5.8 6.20 | Qualified | ||
10.Solvent Resistance | Standard solvent>1H | 2H | Qualified | ||
Remarks | Qualified | ||||
Enameled round aluminum wire
|
Enameled flat aluminum wire
|
Enameled round copper wire
|
Enameled flat copper wire
|
Non Woven Cloth/ Polyester Film covered wire
|
Polyimide Film Wrapped wire
|
Film Wrapped enameled wire
|
NOMEX Paper covered wire
|
Fiberglass Film Wrapped wire
|
Kraft Paper Wrapped wire
|