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Causes of oxidation and blackening of copper wires in wire conductorsOxidation and blackening of the conductor copper wire of the wire is caused by many reasons, mainly in the following four aspects: 1. The reason for the PVC coating, the PVC is exposed, and the wire end is not sealed; 2. The quality of the copper wire itself has too many impurities; 3. Storage problems, damp warehouse, etc.; Fourth, production process issues. The production process is not strictly according to the standard process or there is water in the production process. |
