Printing knowledge
Printing knowledge
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1. What are the types of printing: usually offset, flexo, silk, and gravure.
2. What is large-size paper, normality paper, and special paper: Large-size paper refers to paper with a size of 1194 * 889 and normality of 1092 * 787. Special-size paper refers to paper with special specifications. Cut the paper into a large degree of positiveness, or cut into special specifications according to customer needs.
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In addition, the generosity of the printing factory after the edge is generally 1190 * 880, and the positive degree is 1090 * 780. If the design is wrong or the layout is special, you must greet the factory beforehand, otherwise it will be opened at the stated size.
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3. What is a spot color and what are four colors: a spot color refers to a specific color. When a spot color is printed, it is not a color synthesized by printing C, M, Y, and K four colors, but a special color. Specific inks to print colors. Spot color inks are pre-mixed by the printing house or produced by the ink house. For each spot color of printed matter, there is a special color plate corresponding to it when printing. Use spot colors to make colors more accurate. Such as: special gold, special silver, etc. Four colors refer to the printing colors in CMYK mode.
4. What to do when encountering a large area of black: It is best to pad a color between 30-40 blue under a large area of black, or a similar dark color of 30-40, because in theory, black presses any color equal to black. The purpose is to prevent the printing from being black enough and white spots.
5. Resolution for printing: 300DPI. Of course, the higher the more clear.
6. What is bleeding? This is actually very simple, but there are still many people who do n’t know what it means. The purpose of bleeding is to ensure accurate die cutting. Normal paper is generally 3mm, and corrugation is generally 5-7mm. Due to design and imposition errors, bleeding can be less, but it must be guaranteed above 1.5mm.
7. The minimum size of hot stamping and hot stamping: generally it is guaranteed to be 0.3mm, and technically it can be between 0.1-0.2. package box printing
