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Printing is a process of creating pictures and text, ordinarily using ink, paper and a printing press. Over time, printing technology has improved significantly. Different techniques are available, but screen-printing is used most of the time.
Screen-printing, also referred to as silk screening, is a method that is best for surfaces that are comparatively flat. In this process, fine mesh or a screen is tightly stretched around a rigid frame, with the screen masking areas which will not be printed. In order to make a print, the screen is placed atop the item that is to be printed; then a blob of thick ink is applied. Next the ink is pressed through the screen with the assistance of a squeegee. The ink bonds to the unmasked area, thereby creating the print, and the masked area is protected from ink incursion. After this, the printed item goes through a heated tunnel that dries the ink so that items can be stacked or put into packages.
When a multi-color print is made, the procedure is performed again, changing screens. Thus, multi-color prints necessitate multiple screens positioned on a rotary press or performed manually, aligning the various colored prints in conjunction.
There are a number of methods for ‘masking’ a screen. The easiest technique is via application of masking fluid right onto the screen. This is the perfect procedure for dual-color graphics, while for multiple-color tasks, a photosensitive emulsion is the proper procedure.
Screen-printed T-shirts using plastic inks are often stiflingly hot if you aren’t sure of what you’re getting as you order. For more subdued and vintage-looking screen-printed apparel, inks with a water base might be preferable. For a bold and heavy printing, application of plastic-based inks using heat might be a wise choice.
Inks containing plastics are used by many screen printers because sometimes they last longer, are brighter, heavier and more easily seen, not to mention being easier on the screen printing equipment. Within a short time frame, plastic inks can begin to crack up, though. Natural inks last longer and they look better too.
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