Tianjin Ruiyuan Electric Material Co,.Ltd
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4.0 mm * 0.45 mm Class 220 Flat Copper Wire Rectangular Enameled Copper Wire For Winding
Round & Rectangular enameled copper winding wire is a core product in everyday products and modern infrastructure, and we offer a complete range of copper wire for all kinds of applications. Round and rectangular enameled copper wire Besides the wide standard range we offer customer specific solutions, tailor-made to suit every possible needs. Whether standard or special, all our winding wire is manufactured in a high-precision process using state-of-the-art technology and manned by dedicated professionals.
| Characteristics | Standard | Test Result | ||
| Appearance | Smooth Equality | Smooth Equality | ||
| Conductor Diameter | Width | 4.00 | ±0.060 | 4.014 |
| Thickness | 0.45 | ±0.009 | 0.499 | |
| Thickness of Insulation | Width | 0.020 | 0.029 | |
| Thickness | 0.020 | 0.043 | ||
| Overall Diameter (Including bonding layer) | Width | 4.100 | 4.043 | |
| Thickness | 0.50 | 0.492 | ||
| Pinhole | Max. 3hole/m | 0 | ||
| Elongation | Min. 30 % | 40 | ||
| Flexibility and Adherence | No crack | No crack | ||
| Conductor Resistance (Ω/km at 20℃) | Max 10.16 | 9.98 | ||
| Breakdown Voltage | Min 0.70kv | 1.00 | ||
| Heat shock | No Crack | No Crack | ||
| Conclution | Pass | |||