With the country's apparel screen printers keen to use the new printing methods and effects to dazzle people, there are many printers using unique processing technology to produce special effects ink products. When more and more printers started using special inks, the effect of special effects printing was not expected by ink manufacturers themselves.
High-density clear inks, metallic inks, reflective inks, and crystallization inks produce new types by mixing, proportioning, and overprinting. This is a typical innovative idea, which often occurs in the ink shop and the printing shop. After a month of experimenting with the ink, the following "request" and "don't" were found. Through the following analysis, users can be noticed when unconventional inks can be used for unconventional production, and when they cannot be produced.
Do not use too many special effects inks at a time in printing
In most cases, there should be no more than two types of special effects inks applied to the same apparel product.
To print more than two kinds of special effect inks on an image, it means either sacrificing the image quality, or adding a second ink if the ink is not dry, or adding an auxiliary flash unit to the press (ie, Three flash units). This is actually a lot more problem, time and cost than the value of the third special effect ink. Under normal circumstances, customers do not expect to use more than two kinds of special effects ink design.
The final printing of metal ink or metal powder
Due to the self-reflecting properties of metallic inks and metallic powders, the ink cures very slowly and only after it is completely dry can the gloss be made durable. In the final printing, they do not need to be cured in the printing process, but they are completed once in the dryer.
However, there are exceptions. When the design requires the use of high-density ink, the order of printing must be adjusted. In this case, the metal ink cannot be printed at the end. Therefore, the metal ink must be completely cured before printing with high-density ink.
High-density special effects inks should be printed in the last place in any printing sequence
There are several reasons why this is worthy of serious consideration. First of all, if you use other inks imprinted on high-density inks, it will affect the overall thickness of high-density ink layers; in addition, overprinting means that high-density inks are to be flash-dried; and, after flashing, high-density ink layers form a relatively uneven surface. The printing surface, which will also adversely affect the overprint performance of the ink after printing.
To produce a multi-color expansion effect with a single white expanded ink
In other words, do not try to print too much of the ink color expansion, and try to use a single color ink instead of multi-color ink.
Although you can control the number of screen lines when printing multicolor expanding inks, you will lose the overall height of resolution and ink expansion. The printer has tried to print with four colors, five colors, or six colors using the ink for expansion. However, the overall appearance of the pattern is seriously affected because the color is not properly dried.
Do not attempt to produce fine details when printing with multi-color special effects inks
Since the details of the fine products are very abundant, production using multi-color special effects inks is almost impossible. If more detail is required in the expansion printing, the height of the expansion is sacrificed. For metallic inks, metallic powders, or reflective inks, excessive detail can prevent larger particles of special effects ink from passing through the stencil, which can cause web closure.
Do not use high-density or expanded ink to print large area images <br> When printing with expanded inks and high-density inks, the total thickness of the ink layer is determined by the screen and the thickness of the stencil. The center of the large-area image area is not supported by the stencil, resulting in a slight gravure ink deposit, that is, the surrounding ink layer is thicker than the intermediate ink layer. This kind of undercut will prevent you from getting the high density or expansion you need.
Do not use expensive ink just to use Ang
Although special effects inks such as reflective inks add value to your clothing, they cost more than similar products on the market. In many cases, customers who need to reflect the flashing effect of ink are equally satisfied with the use of relatively inexpensive metallic inks, which can save themselves some of the cost.
From the retail point of view, most consumers do not pay attention to the reflected ink hanging on the store shelves unless they just stand to look at the clothing from the perspective of light. On the other hand, metal inks on clothing can attract consumers in remote places. This is not to advise printers not to use reflective inks. Reflective inks still have their place. For example, when using artificial light effects in dark places, it is more appropriate. In other words, consider its value and applicability before production.
Extensive testing is required before using new special effects inks to ensure they achieve the desired effect
For example, gel printing is used to create a bright luster in lithography and a circular lens effect in traditional printing. Without a complete understanding of printing parameters and ink capabilities, the final result is often worse than expected.
To experiment with different special effects ink printing processes
The new special effects inks are first tested in the ink shop. You can use the following methods to experiment with the effects of ink expansion:
1. Expand silver ink, obtain silver crystal ink by overprinting;
2. Adding color pigments to silver metallic inks to obtain colored metallic inks;
3. Add a metallic ink or metal powder to a pure gel to obtain a metallic gel effect;
4. The fluorescent material is added to the gel ink to obtain a fluorescent gel effect;
5. Overprint metal inks or metal powders in transparent colors to obtain different colors of metal or metal powder effects.
Conclusion There are many kinds of special effects inks, but there are certain limits. For example, metal ink cannot be added to the expanded ink, because the inherent opacity of the expanded ink makes it impossible to add another product such as a metallic ink and the like. The metallic ink is suspended in the ink layer without the effect of the metallic ink.
As more and more screen printing occurs, ink experiments and testing of new inks should be used. Your choice is limited to your printing capabilities. The more time you spend on special effects ink applications and analysis results, the more you know about the limits of the printing process and the inks you use. The more flexible your production is.
Special effects inks "request" and "do not"
March 31 18:53:53, 2019
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