Non oxidizers dry only by the evaporation of the solvents. Ultimately all air dry inks, even solvent based inks, fall into two categories non oxidizers and oxidizers. But it is important to know these things if you wish to begin printing any quantity of product in a commercial application.Īs stated earlier, certain water based inks may also contain other solvents and/or do not "dry" by evaporation alone. In reality, if you are printing very small print runs at home, you most likely will never experience stencil break down due to incorrect ink to emulsion usage. This sounds all very complicated but it is not. They may cause premature stencil break down on emulsions made for water based inks. And the story is the same for plastisol inks. This makes it necessary to use a water resistant emulsion. Some emulsions will break down when using water based inks.
With that in mind it is important to note that different inks will call for different emulsions. To make things easier, from here on we will refer to the aforementioned air dry inks as water based. Many air dry inks may actually need to be heat set or don't really air dry per say, but cure in a way. However, many inks considered to be water based are often a combination of solvents including but not limited to water. These are manufacturers of poster and textile inks often referred to as water based inks. These include inks like Speedball, Jantexinks and Permaset. The air dry inks are made for many different applications and in general will be the most popular for hobby and home applications.
It is the same process in general but there will be differences in materials used, beginning with the ink. The screen printing process for printing shirts and flat work will be very similar. Either of the two textile inks may be used for screen printing shirts but the poster ink is used only for flat work and graphics printed on porous or glossy paper materials. For printing posters and paper type flat work, you would use poster ink which is also an air dry ink. There are air dry textile inks and plastisol textile inks. Introduction To Ink Water Based & Plastisol Screen Printing Inksįor screen printing shirts at home, we can say there are two common types of inks used.
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