Conventional PS plates, as an important printing material, has its unique characteristics and a wide range of applications. Conventional PS plates, also known as conventional type PS plate, is a kind of photosensitive material used in the printing industry. It adopts the original plate of positive orthographic characters, and the UV light through exposure reaches the photosensitive layer of the PS plate through the low-density and blank parts on the original plate, which is absorbed by the photosensitive agent, thus realising the process of sensitising into characters into pictures.

The production process of positive conventional PS plates includes the steps of plate base decontamination treatment, electrolytic roughening, anodic oxidation treatment, sealing treatment, and coating photopolymerisation solution. These steps ensure the high quality and performance of PS plates.

Main Characteristics of conventional PS plates:

- Photographic principle: Under the action of ultraviolet light, the decomposition and structural rearrangement reaction of the positive PS plate occurs, so that the photographic part of the dilute alkali insoluble to dilute alkali soluble, and at the same time, the colour of the photographic part of the colour of the green to blue.

- Coating colour: green, this is the colour before exposure, the colour will change after exposure.

- Material: high quality aluminium plate, made by electrolysis, anodic oxidation, sealing treatment, coating, drying and other processes.

- Grit: moderate coarseness and fineness, conducive to increasing the surface area and hydrophilicity of the printing plate layout.

- Resolution: High, capable of fine restoration of graphic details.

- Printing resistance: the printing resistance of the plate without baking treatment is between 50,000 and 80,000 prints, and the printing resistance of the plate after baking treatment can be increased to more than 100,000 prints.

- Stability: High-quality raw materials and manufacturing processes ensure the high stability of Yangtu's regular PS plates.

- Processability: suitable for machine display, hand display, slot display processing treatment, easy to operate.

- Dot reduction: good, can accurately restore the dot in the graphic.

- Ink-friendly: good, making the printing process smoother.

Positive conventional PS plates are widely used in high-grade commercial colour printing and newspaper printing and other fields. Its high quality and excellent performance make it an ideal choice for the printing industry.

With its excellent printing performance, conventional PS plates plays an important role in the printing industry. Its unique photosensitive principle and manufacturing process ensure high quality printing results. At the same time, its wide range of applications also proves its important position in the printing industry.