Photo paper, also known as photographic printing paper, photographic paper and printing paper, is divided into three categories according to the way of outputting images, which are silver salt printing photographic paper, inkjet printing photographic paper and printing in the traditional sense. photographic paper. At present, photographic paper is widely used in the field of professional video output such as wedding photography and children's photography; there are also advertising materials, menus, business cards, resumes and various public areas used in home office.
Inkjet photo papers is divided into four to five layers:
1. The basis of the paper base is a fiber paper base that meets a top quality standard. The paper base must be white in color, uniform in texture, and not easily deformed. Paper bases have different thickness standards.
2. Oxide layer. A thin layer of yttrium oxide is applied to the photographic paper base to fill the small defects of the photographic paper base and increase the whiteness of the photographic paper.
3. A photographic paper having a resin layer is further provided with a polyethylene resin layer on the ruthenium oxide layer to prevent chemical liquid from entering the paper base when the photographic paper is washed. A photographic paper having no polyethylene resin layer is referred to as paper-based photographic paper, and a photographic paper having a polyethylene resin layer is referred to as a coated photographic paper.
4. The emulsion layer.
5, photographic paper surface protection layer
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