Mask packaging copper corrosion problems

Mask packaging copper is in heavy chromate sensitizing carbon paper drying system of gravure grid first, in the production of continuous adjustable Yang figure, then put the carbon paper image is transferred to the roller, through development, complete version made by corrosion medium. Mask packaging copper due to due mainly controlled by the artificial directly, so the plate stability, field density uniformity, reprint, word definition are poor repeatability, generally only used in common plastic flexible packaging printing. More about face film packaging, face film packaging, face film packaging - price consult professional packaging manufacturer - - - - - - !