The key factor affecting the quality of the printing pl […]
The key factor affecting the quality of the printing plate is the hardness of the printing plate. The higher the hardness, the smaller the plate elasticity, the shorter the service life of the printing plate, the higher the sharpness of the graphic dot, the smaller the deformation of the mesh point, but the support due to excessive pressure. The corrugated board is damaged to varying degrees, so the compressive strength of the carton is weakened. The lower the hardness of the printing plate, the greater the elasticity of the printing plate, the better the printing durability of the printing plate, the longer the life and the full contact with the rough printing surface. The printing is fully inked, but the deformation of the dot is large and affects the quality of the printed product. Therefore, the choice of the plate and hardness of the plate is a guarantee of quality.
In the flexographic printing, a solid photosensitive resin plate should be selected, which has good ink transfer performance and large latitude. It has the advantages of high reproducibility, good stability, non-deformation, long service life and convenient processing. It has been widely used. The hardness of the plate should be selected according to different printing processes and different hardness requirements. The hardness of the plate is HS32-35, and the hardness of the small print and dot plate printing plate is suitable for HS37-42.