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Printing Services: Categories of Ink Used in Printing

Printing is a process whereby text and pictures are reproduced on various materials. There are different printing methods and depending on the printing method a variety of inks are used. Inks utilised in printing may be classified into 4 different categories including aqueous, liquid, paste and powder.

Paste inks:

Paste is usually utilised in offset printing and you will find various kinds of paste inks including cold set, heat set and curable ones. A number of the different energy curable sorts are electron beam curable and ultraviolet curable. While energy curable provides the best quality print, heat sets are used. Energy curable ones also require special equipment rendering it the most expensive kinds of inks applied to offset printing.

The heat set one requires heat to set it then it is cooled rapidly since it catalyses the curing process. In cold set inks, it really is set using the phenomenon of absorption in the stocks which might be non-coated. Cold set ones usually are utilized for printing books, newspapers, insert printing and they are the least expensive option should you be cheaply.



Solvent ink:

Solvent ink comprises a mixture of organic chemical substances and volatile organic compounds. These ingredients have high vapour pressure and colour in this type of ink is achieved through pigments making them resistant to fading. Solvent inks can be used to print on uncoated vinyl substrates plus they are economical. Banners, billboards, graphics and decals are generally 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 downside to employing this is the disposal in the solvent and the vapour produced by the solvent.

Aqueous ink:

Aqueous inks are primarily utilised in desktop inkjet printers. These comprise a combination of pigments or dyes, glycol and water. Aqueous provide you with the vivid plus a various colour options the only downside of this ink is that it is just not waterproof and is washed from the surface without lamination or specialized coating to guard the ink. Aqueous inks can also be inexpensive to make.

UV curable inks:

UV curable inks have acrylic monomers as well as an initiator package. After the printing job is finished the printed material is encountered with strong UV light which cures a lot of it. Lower than replacement this ink could it be dries quickly along with the disadvantage is because they are very expensive.

These are generally a few of the different types of inks used for commercial printing services.

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