How do you deal with the etching edges of heavy copper plate?
If you have already completed the font to corrosion, hair repair or remedy, indeed some trouble.
If the use of network printing, suggest there may be caused by the low screen mesh.
Note that the acidity and concentration of the etching solution remain within the normal range of the process, the concentration is too large or too acidic, and the damage to the ink can not be ignored.
If the use of ink as a protective layer, in addition to strengthening the pre - degreasing treatment, after printing or development, but also to strengthen the later curing. In the process of etching ink or edge layer can be dissolved or off, causing serious waste and even scared.
Poor adhesion of the protective coating. For example, if the coating is made immediately, the etching solution will be drilled if it is not carefully baked. Cause the edge Hair serious, or even impossible to use.
