20 points to be noticed in the printing process of PVC labels
2023-11-22 13:10:48
The printing process is one of the important factors influencing the design of PVC labels . Due to the uneven thickness of the substrate PVC used for printing, the flatness is poor, etc., which brings many difficulties to printing. In order to avoid the production of defective printing products, Jiuzhi Plastics Co., Ltd. lists 20 items that need attention:
1. Avoid lines that are thinner than 0.1mm.
2. Avoid riding color words (ie, the reverse white characters are composed of two colors). In this case, the customer is allowed to add a black edge or other color edge. However, the width of the edge is greater than 0.25~0.3mm.
3. Line and color set color generally requires line width not less than 0.3mm, and the color is extended to the middle of the line.
4. When three or more colors are stacked, try to modify them into two colors and spot colors.
5. It is best to use a spot color for a large area of ​​the background color, to avoid printing with color separation, color separation is easy to cause chromatic aberration, especially blue and yellow, red and yellow.
6. The minimum threshold for any color of its hanging net is 20%.
7. The reverse side of the text is generally thickened to about 0.3mm.
8. The green version, the special purple version, the pearl version, the matte version, the white version and so on must be greater than 45μm.
9. For the yellow version, it can be used for screen or edge blurring when needed, for example, yellow, red and set of open words or yellow and red to stack text.
10. Bar codes are generally perpendicular to the horizontal direction, that is, vertical, preventing deformation from being unrecognizable or misreading when contracted.
11. The bar code is generally more than 5mm away from the palm of the hand to prevent shrinkage deformation.
12. When the white version is expanded or contracted, the upper and lower sides can be expanded and contracted by 0.3mm, and the left and right can be expanded and contracted by 0.4mm.
13. Try to avoid gold, silver and color re-expansion, which will give people the feeling of dirty edges.
14. Avoid using gold and silver plates as transition networks, and the transition effect is not obvious.
15. When arranging the color sequence, in addition to the principle of putting together the three primary colors of C, M, and Y, it is necessary to pay attention to the fact that the two colors that are difficult to color are as close as possible.
16. All the outlets below 10% of the electricity score map should be removed, because less than 10% of the dot inks cannot be transferred.
17. When the color is difficult, the horizontal pattern should not exceed 2 or the film width should not exceed 600mm. When the width of the PVC film exceeds 650mm, the thickness and straightness are more difficult to control, which often leads to many defects. , bringing difficulties to printing.
18. When printing a portrait, the printed substrate is preferably newly produced, and there are few missing dots, because there is no precipitation of additives on the newly produced film surface.
19. Relevant texts, barcodes, marks and trademarks must comply with relevant national regulations.
20. The position of the effective graphic is generally controlled within the tolerance of x2-2mm under the folding diameter, so as not to be covered when the palm is closed.
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