The printing method and the application are different, and the materials consumed in each printing are different. To know what materials are used for printing, first of all, it is necessary to know which type of printing, different printing, and the materials consumed are different.
Traditional printing methods are mainly divided into four categories: letterpress printing, gravure printing, lithography and stencil printing.
Letterpress: The side of the print is prominent, the side that is not printed is recessed, and the letterpress printing includes both a letterpress and a rubber version. Topographic printing consumables mainly include: movable type, lead type, zinc-copper plate, photosensitive resin plate, etc. Some uncommon printing consumables include bronzing, hot silver, books and magazines, bills, envelopes, etc.
Lithography is named after the early lithographic printing. There is no difference between the printed part and the non-printed part. They are all flat. The principle of water and oil is not used to keep the part of the print on a film containing grease. The layout on the part of the non-printed pattern can be absorbed. A small amount of water. The consumables for printing reverse embossing are rubber tubes, and the printing consumables are paper. Most lithographic consumables are collections of pictures, pictures, pictures, advertisements, and calendars.
Gravure printing is exactly the opposite of the relief, and the printed portion differs greatly from the non-printed portion, that is, the portion where the ink is printed is significantly concave to the unprinted portion. Gravure printing consumables are common in currency, stamps, securities, etc., and some consumables are similar to plastic film, silk and so on. Due to the long plate making time of the gravure printing and the technical clutter, there are usually two types of gravure printing consumables: engraving and photography.
Other types of printing consumables such as: ink, film, paint, alcohol, dampening solution, PS plate, eraser and so on.
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