The Purity Advantage of Electrolytic Refining
Our electrolytic copper rod starts with electrolytic copper as the raw material. This is a significant advantage. Electrolytic copper goes through an electrolytic refining process. This removes virtually all impurities. The result is copper with exceptional purity. Fewer impurities mean more stable conductivity. Our customers trust this material for critical applications. The rod also has consistent properties from batch to batch. This makes it easier for customers to maintain quality standards. Our team controls the melting temperature carefully during production. If the temperature gets too high, the copper absorbs harmful gases. If the temperature gets too low, the flow becomes poor. Our workers have found the optimal temperature through long-term operation.
Melting and Casting Control
The melting process demands precision. Our workers monitor the melt temperature continuously. The temperature must stay within a narrow band. We use thermocouples placed directly in the melt. This gives us accurate readings. We also control the atmosphere above the melt. A protective atmosphere prevents oxidation. This preserves the purity achieved during refining. The casting speed also matters. Speed affects both the rod surface and internal structure. Our team has optimized the process over time. The result is a consistent rod with excellent surface quality. We also check the rod diameter regularly. Dimensional consistency matters for drawing operations. Our workers measure each coil before release.
Size Options and Specifications
We stock electrolytic copper rod in 16mm and 20mm diameters. The material is T2 copper. Production follows GB/T5585.1-2026. Copper purity reaches Cu≥99.90%. Total impurities stay below 0.10%. Conductivity is ≥97.3% IACS. Resistivity at 20°C stays ≤0.0177 Ω·mm²/m. Density is 8.9 g/cm³. Tensile strength ranges from 220 to 260 MPa. Yield strength exceeds 170 MPa. Hardness is 65 to 90 HV. Elongation is 17% or higher.
Where Purity Matters Most
Electrolytic copper rod serves the most demanding applications. High-end cable manufacturers specify it. Electronic wire producers rely on its purity. High-purity copper products start with this rod. The exceptional purity translates to better conductivity. It also improves processing consistency. Customers who require the best use this rod. We have supplied high-end manufacturers for years. Export orders are increasing steadily. The product meets the needs of quality-conscious buyers. The electrolytic refining process gives a clear advantage. Customers appreciate the documented purity levels. We provide material certificates with every shipment.
Order and Production Information
We start production right after order confirmation. Standard sizes ship within one week. Custom requirements take one to two weeks. The minimum order is 1000 kilograms. Mixed specifications are allowed. We welcome third-party inspection at our factory. Our raw material inventory stays well-stocked. We accept USD, EUR, and CNY. The production line runs on a consistent schedule. This ensures reliable delivery times. Customers can count on consistent quality.
Technical Parameters
|
Parameter |
Value |
|
Material Grade |
T2 Copper |
|
Copper Purity |
Cu≥99.90% |
|
Standard |
GB/T5585.1-2026 |
|
Electrical Conductivity |
≥97.3% IACS |
|
Resistivity (20°C) |
≤0.0177 Ω·mm²/m |
|
Density |
8.9 g/cm³ |
|
Tensile Strength |
220–260 MPa |
|
Yield Strength |
≥170 MPa |
|
Hardness |
65–90 HV |
|
Elongation |
≥17% |
|
Stock Sizes |
16mm, 20mm |
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