Tianjin Ruiyuan Electric Material Co,.Ltd
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SWG / AWG 0.019mm Winding Wire Enamelled Copper Wire For Watch coils
Watch coils are another area where our ultra-thin enameled copper wire excels. The complex design and precision nature of watch mechanisms require the use of fine winding wire that delivers high performance and long life. Our enameled wire is specifically designed to meet the unique challenges of the watchmaking industry. With its superior conductivity and abrasion resistance, our wire ensures that timepieces function perfectly, providing consumers with the reliability they expect from a high-quality watch.
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Nominal diameter(mm) |
0.019 |
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Overall diameter |
Grade 1 |
Min(mm) |
0.021 |
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Max(mm) |
0.023 |
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Grade 2 |
Min(mm) |
0.024 |
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Max(mm) |
0.026 |
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Grade 3 |
Min(mm) |
0.027 |
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Max(mm) |
0.028 |
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Resistance at 20℃ |
Nom(Ohm/m) |
60.29 |
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Min(Ohm/m) |
54.26 |
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Max(Ohm/m) |
66.32 |
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Breakdown voltage |
Grade 1 |
Min.(v) |
115 |
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Grade 2 |
Min.(v) |
240 |
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Grade 3 |
Min.(v) |
380 |
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