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Printing is a process whereby text and pictures are reproduced on various materials. There are different printing methods and depending on the printing method several types of inks are employed. Inks used in printing might be classified into 4 different categories including aqueous, liquid, paste and powder.
Paste is usually utilised in offset printing and you will find various kinds of paste inks like cold set, heat set as well as curable ones. A few of the different energy curable sorts are electron beam curable and ultraviolet curable. While energy curable provides best quality print, heat sets are most commonly used. Energy curable ones also require special equipment so that it is the most expensive types of inks applied to offset printing.
The temperature set one requires heat to create it then it’s cooled rapidly mainly because it catalyses the curing process. In cold set inks, it’s set using the phenomenon of absorption to the stocks that are non-coated. Cold set ones usually are useful for printing books, newspapers, insert printing and therefore are the most affordable option if you’re cheaply.
Solvent ink comprises a variety of organic compounds and chemical toxins. These components have high vapour pressure and colour in this kind of ink is achieved through pigments causing them to be resistance against fading. Solvent inks can be used to print on uncoated vinyl substrates and they are cost effective. Banners, billboards, graphics and decals are usually printed using solvent ink. Is generally considerably using solvent ink for printing is that the prints are UV resistant and waterproof however the disadvantage in employing this may be the disposal from the solvent along with the vapour created by the solvent.
Aqueous inks are primarily applied to desktop inkjet printers. These comprise a mixture of pigments or dyes, glycol and water. Aqueous provide the vivid as well as a number of colour options the only real problem with this ink would it be just isn’t waterproof and could be washed from the surface without lamination or specialized coating to shield some of it. Aqueous inks are also inexpensive to produce.
UV curable inks:
UV curable inks have acrylic monomers along with an initiator package. Following your printing job is done the printed material is encountered with strong UV light which cures some of it. The main advantage of this ink could it be dries quickly as well as the disadvantage is because have become expensive.
These are a number of the various kinds of inks used for commercial printing services.
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