(Quoted from Graphics Pro. Full article here.)
There are different kinds of specialty inks available for screen printing, and some options allow you to add texture to a print. From hard to medium and soft textures, ink manufacturers have created different bases for different cases.
Hard texture screen-printing inks
Hard texture bases can add a cracking, rock-like, or rough texture to a print. These are high-density options, creating stacked effects that are durable.
Medium texture screen-printing inks
Medium texture bases include cork bases and high-density glosses or gels. Cork bases offer a texture that is smooth to the touch but extremely durable with great stretch. Gels and glosses can be added as an overprint to any plastisol ink or as a foil adhesive.
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