Copper purity 99.9 percent or higher provides a reliable base material for precision electronics, high frequency circuits, and hand forging Key benefits - High purity copper (≥ 99.9%) delivers stable conductivity and a solid base for demanding applications in electronics and metalworking - Suitable for precision processes such as microcircuit shielding, jewelry engraving, and heat sink stamping - Oxidation resistant and resistant to blackening, helping to maintain a bright metallic finish over time - Long term luster is preserved with no polishing required for jewelry making - Helps prevent poor contact in electrical applications, improving reliability in assemblies Material and performance - Material: copper with purity at least 99.9% - Function: serves as a dependable base material for fabrication and finishing in electronics, jewelry, and metalwork - Durability: anti-oxidation and anti-blackening properties help preserve appearance and performance in use Compatibility and use cases - Precision electronics and high frequency circuits - Use as base material for components that require stable conductivity and shielding - Jewelry design and engraving - Suitable for creation and detailing with minimal post-processing, maintaining luster without polishing - Microcircuit shielding and heat sink related stamping - Meets strict tolerances for shielding components and stamping operations in heat management parts - Hand forging and metal forming - Provides a reliable copper base for shaping and forming projects that demand high purity material Use scenarios - Scenario 1: Building precision electronic assemblies and RF modules that require a high-purity copper base for reliable conductivity and shielding - Scenario 2: Designing and engraving jewelry pieces where long-term luster is important and polishing time is minimized - Scenario 3: Fabricating heat sinks or stamping parts where tight tolerances and oxidation resistance support longer service life and consistent performance