Indonesia customer order 500pcs Zinc plates

500pcs Zinc plates are packed for delivering to our customer in Indonesia.Zinc plate refers to a printing plate made by zinc plate technology, which is mainly used to print illustrations and forms. In the early days of the invention of the zinc plate, it was a monochromatic line drawing photorelief, with no shades of gradation. Plate preparation and surface treatment→photosensitive liquid coating→exposure→development→hardening film→baking plate→repair→corrosion→full page In 1882, the German Meisendach invented the photographic mesh plate and advanced the technique of photoengraving A big step forward was made, and the creation of monochrome photographic mesh copperplates and two, three, and four-color photographic mesh copperplates opened up broad prospects for the further development and application of photoengraving.

Overview of copper-zinc plate making process:

Plate making process

The plate is a photographic method to take the graphic information on the manuscript into a positive negative film, and then the positive negative film and the copper-zinc plate coated with photosensitive glue are closely attached for exposure. The exposed copper The zinc plate is developed and film-hardened, and then the blank part of the printing plate is corroded with an etching solution, and finally a convex printing plate is obtained through the film removal process.

Since the copper-zinc plate is an instant-coated photosensitive plate, the surface of the copper or zinc plate must be treated and the photosensitive liquid applied before the copper-zinc plate is made.