Copper strip is a very common metal component, often seen in electrical components, lamp caps, battery caps, buttons, se...
1. Control the concentration of acid solution during pickling. In the case where the surface oxide layer of the annealed...
1. The most direct cause of discoloration of the copper strip is the residual acid on the surface of the copper strip. 2...
The main causes of shear indentation are: 1. The difference in outer diameter between the shearing circular knife and th...