Red Color 0.025mm Super Thin Enameled Copper Winding Wire Magnet
Wire Copper For Watch
We are one of the pioneers in producing ultra-fine enameled wires
below 0.03mm in China. Our R & D team has 20 years of
marketexperience.We have achieved the goal of "zero pinholes after
stretching" for ten years. In 2019, our finest diameter is
0.011mm,and mass production has been achieved.When the displays
return the transformer industry, we are the No.1 Chinese brand with
ashare of cake.We rival the internationally renowned enameled wire
brands for production, technology, raw materialsWe surpass them in
terms of "service, quick response"; 30% lower "price" is our
advantage. More and more well-known customers choose us as
suppliers, Bosch, Panasonic, Samsung ...
Test Items | Requirements | Test Data | Result |
| | 1st Sample | 2nd Sample | 3rd Sample | |
Appearance | Smooth & Clean | OK | OK | OK | OK |
Conductor Diameter | 0.025mm ±0.001mm | 0.025 | 0.025 | 0.025 | OK |
Thickness of Insulation | ≥0.003 mm | 0.005 | 0.004 | 0.005 | OK |
Overall Diameter | ≤ 0.032 mm | 0.03 | 0.029 | 0.03 | OK |
DC Resistance | ≤ 38.112 Ω/m | 35.523 | 35.489 | 35.506 | OK |
Elongation | ≥ 9 % | 15 | 13 | 14 | OK |
Breakdown Voltage | ≥190V | 551 | 399 | 475 | OK |
Pin Hole | ≤ 8 faults/5m | 0 | 1 | 0 | OK |
Adherence | No cracks visible | OK | OK | OK | OK |
Cut-through | 200℃ 2min No breakdown | OK | OK | OK | OK |
Heat Shock | 175±5℃/30min No cracks | OK | OK | OK | OK |
Solderability | 390± 5℃ 2 Sec No slags | OK | OK | OK | OK |
Insulation Continuity | / | 0 | 0 | 0 | OK |