Positive PS Plate: A powerful assistant in the printing industry

In the printing industry, Positive PS Plate (positive pre-coated photosensitive plate) is an important printing material. With its unique performance and wide range of applications, it has become an indispensable tool for many printing companies.

Positive PS Plate, i.e. positive pre-coated photosensitive plate, is a specially treated aluminum plate with a layer of photosensitive material on the surface. During the exposure process of this plate, the positive part (i.e. the image part) absorbs light energy and undergoes chemical changes, while the unexposed part remains intact. Through the development process, the photosensitive layer of the positive part will be removed, while the photosensitive layer of the negative part (i.e. the non-image part) will be retained, forming a plate that can be used for printing.

Positive PS Plate has many properties, such as clear dots, high printability, and simple exposure. These characteristics make it perform well in long-run color printing and become an ideal choice for high-end printed products.

Positive PS Plate is widely used in various printing fields due to its unique performance. Especially in long-run color printing, its high printability and clear dots make the printing quality more stable and delicate. Positive PS Plate is also suitable for various printing machines, including manual, mechanical and slot processing, which provides great convenience for printing companies.

In practical applications, the printability of Positive PS Plate can reach 50,000 to 80,000 prints. After baking, the printability can be increased to 250,000 to 400,000 prints. This makes it extremely cost-effective in long-run printing, saving costs for printing companies and improving production efficiency.

The production process of Positive PS Plate includes aluminum base processing, photosensitive layer coating, drying and other links. Among them, the processing of aluminum base is a key step, which determines the flatness and printability of the plate. Through electrolytic roughening, anodizing and other treatments, a uniform and dense oxide film can be formed on the surface of the aluminum base, improving the hardness and wear resistance of the plate.

The coating of the photosensitive layer determines the photosensitivity of the plate. During the coating process, the concentration and uniformity of the photosensitive material need to be precisely controlled to ensure that the plate has good photosensitivity and clarity during exposure. In addition, the drying process is also an important part that cannot be ignored, which affects the stability and service life of the photosensitive layer.

With the continuous development of printing technology, the status of Positive PS Plate in modern printing has become increasingly prominent. It not only improves the quality and stability of printed products, but also brings higher production efficiency and lower costs to printing companies. Especially under the current trend of digital and automated printing, Positive PS Plate has become an indispensable part of the printing industry with its unique performance and wide range of applications.