Copper Sheet
Products Description In modern life, copper is a very common metal that is often used to manufacture various appliances and devices. Choosing high-quality copper sheets is very important as it ensures better performance and durability when used. Here are some suggestions on how to choose...
Products Description
In modern life, copper is a very common metal that is often used to manufacture various appliances and devices. Choosing high-quality copper sheets is very important as it ensures better performance and durability when used. Here are some suggestions on how to choose high-quality copper sheets:
Firstly, check the surface finish of the copper plate. The surface of high-quality copper plate should present a bright and smooth appearance. If there are defects, dents, and impurities on the surface of the copper plate, it indicates poor quality.
Secondly, observe the color of the copper plate. The high-quality copper plate presents a color similar to orange yellow, with uniform color and no obvious color difference. If the color of the copper plate turns yellow or too red, it indicates that the copper impurity content is too high and it is not recommended to purchase or use.
Thirdly, check the thickness of the copper plate. The thickness of the copper plate should be uniform, without obvious protrusions or depressions. If the thickness of the copper plate is uneven, it will affect its performance and cause changes in the properties of the metal.
Finally, evaluate the steel and plasticity of the copper sheet. The higher the strength of copper sheets, the less prone they are to bending and deformation, but their plasticity also decreases. Therefore, when selecting copper plates, consideration should be given to specific purposes and needs, and the most reasonable choice should be made.
In short, the importance of choosing high-quality copper plates is self-evident. Only by doing a good job in the selection process can we ensure the effectiveness and safety of our use. I hope that when purchasing copper plates, everyone can choose according to the above criteria, choose high-quality copper plates, and bring themselves a better use and experience.
| Test Item | Test Condition | Unit | SPEC | Typical Value |
| Tg | DSC | ℃ | ≥125 | 135 |
| Peel strength(1OZ) | 288°C,10S | N/mm | ≥1.05 | 1.41 |
| Thermal Stress | 288°℃,10S/solderdip | >10 | 60S/ No delamination No Delamination |
|
| Flexural Strength | N/mm2 | LW | ≥415 | 500 |
| Flammability | E24/125 | - | UL94 V-0 | V-0 |
| Surface Resistivity | After moisture | MΩ | ≥1.0x104 | 2.0x106 |
| Volume Resistivity | After moisture | MΩ.cm | ≥1.0x106 | 2.0x108 |
| Dielectric Constant(1MHZ) |
1MHz C-24/23/50 | - | ≤5.4 | 4.7 |
| Dissipation Factor(1MHZ) |
1MHz C-24/23/50 | - | ≤0.035 | 0.017 |
| Loss Tangent | 1MHz C-24/23/50 | ≤0.035 | 0.016 | |
| Arc Resistivity | D-48/50+D-0.5/23 | S | ≥60 | 135 |
| Dielectric Breakdown |
D-48/50+D-0.5/23 | KV | ≥40 | 60 |
| Moisture Absorption | D-24/23 | % | ≤0.8 | 0.15 |
| CTI | IEC60112 Method | V | 175~250 | 210 |
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our team
Gnee Steel Group is an all-inclusive supply chain enterprise that integrates steel plates, coils, profiles, outdoor landscape design, and processing Since its establishment in 2008 with a registered capital of 5 million RMB, Gnee has achieved significant progress and development in the steel market through over 15 years of hard work by its team. Presently,with a total investment of 30 million RMB, Gnee boasts a factory area of over 35,000 square meters and employs more than 150 personnel.Gnee is on course to become the foremost and most professional international steel supply chain company in China's Central Plains region, equipped with a clear strategic framework, integrated governance structure, solid management foundation, and robust financial and human resources.
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