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 After printing, the process is the key step to give the soul, texture and function of the printed matter, which can be divided into three categories: surface treatment, molding processing and decoration. To give you a global overview, let's first look at a core process overview: picture 1. Surface treatment class This kind of process is mainly used to protect and beautify the surface of printed matter. What is coated: apply hot or cold pressure to a transparent plastic film (usually BOPP or PET material) on the surface of a printed material. Details: This is the most commonly used protection process. It is divided into photofilm and dumb film. Photofilm can greatly improve color gloss and saturation; The dumb film gives the product high-grade, soft matte texture, and it is not easy to leave fingerprints. The strength, waterproof and anti-pollution of paper after film coating are significantly enhanced, suitable for long-term use or friction of printed matter. Main application : bo...

Printing is a technology that transfers ink from original materials such as text, images, and photos to the surface of materials like paper, fabric, and leather through a series of processes including plate-making, inking, and pressing, to achieve batch reproduction of the original content. The following is some relevant knowledge about printing. I hope it will be helpful to everyone. 01 The Process of printing The principle of printing can be summarized in five words: "Ink and water do not mix." As we all know, water and ink are needed during printing. So, how do water and ink make the text and graphics appear on the paper? A sun-dried offset printing plate is divided into hydrophilic blank areas and hydrophobic graphic areas. During printing, water is supplied first and then ink, allowing the blank areas and graphic areas to selectively absorb water and ink, respectively forming uniform water films and ink films. Only when there is a strict dividing line between the ink fil...