Patrick McCormick posted an update 3 weeks, 3 days ago
Printing is a process whereby text and images are reproduced on various materials. There are numerous printing methods and depending on the printing method several types of inks are utilized. Inks utilised in printing can be classified into 4 different categories including aqueous, liquid, paste and powder.
Paste is frequently used in offset printing and you will find a variety of paste inks including cold set, heat set as well as curable ones. Many of the different energy curable sorts are electron beam curable and ultraviolet curable. While energy curable provides the best quality print, heat sets are most frequently used. Energy curable ones also require special equipment rendering it one of the most expensive types of inks used for offset printing.
The heat set one requires heat to create it then it’s cooled rapidly since it catalyses the curing process. In cold set inks, it’s set utilizing the phenomenon of absorption into the stocks that are non-coated. Cold set ones are generally used for printing books, newspapers, insert printing and so are the most affordable option in case you are on a tight budget.
Solvent ink comprises a combination of organic chemical compounds and volatile organic compounds. These ingredients have high vapour pressure and colour in this type of ink is achieved through pigments causing them to be proof 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. Lower than replacement using solvent ink for printing would be that the prints are UV resistant and waterproof even so the disadvantage in using this may be the disposal in the solvent and also the vapour created by the solvent.
Aqueous inks are primarily used for desktop inkjet printers. These comprise a mixture of pigments or dyes, glycol and water. Aqueous provide the vivid plus a various colour options the one downside of this ink is that it is not waterproof and could be washed from the surface without lamination or specialized coating to safeguard a lot of it. Aqueous inks may also be inexpensive to produce.
UV curable inks:
UV curable inks have acrylic monomers along with an initiator package. As soon as the printing job is done the printed material is confronted with strong UV light which cures some of it. The main advantage of this ink could it be dries quickly along with the disadvantage is that they are very expensive.
These are generally some of the several types of inks used in commercial printing services.
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