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The main types of flexographic ink are water based, [2] solvent and UV curable. [3] The printing surface (substrate type) dictates what ink type it is advisable to use.Each type of ink has its advantages and disadvantages, therefore the type of ink used in printing is determined by factors such as price, speed, and the use of the packaging (food, cleaning, or shopping bags).
Flexography (often abbreviated to flexo) is a form of printing process which utilizes a flexible relief plate. It is essentially a modern version of letterpress, evolved with high speed rotary functionality, which can be used for printing on almost any type of substrate, including plastic, metallic films, cellophane, and paper.
The traditional soft ground, requiring solvents for removal from the plate, is replaced with water-based relief printing ink. The ink receives impressions like traditional soft ground, resists the ferric chloride etchant, yet can be cleaned up with warm water and either soda ash solution or ammonia.
The relief family of techniques includes woodcut, metalcut, wood engraving, relief etching, linocut, rubber stamp, foam printing, potato printing, and some types of collagraph. By contrast, in the intaglio family of printing, the recessed areas are printed by inking the whole matrix, then wiping the surface so that only ink in the recessed ...
Relief techniques include woodcut or woodblock, wood engraving, linocut and metalcut. ... The inks used may be oil based or water based. With oil based inks, the ...
Chimigraf is a Spanish multinational company engaged in the production of inks for flexography, rotogravure, digital systems, and screen printing. It has its own technology in the development of ink-jet inks. [1] It has a presence in over 40 countries [2] around the world.
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The printhead must have heating capability to print any material influenced by viscosity changes. Oil-based inks are sensitive to temperature. Waxes and hot-melt materials are solids at room temperature. Water-based inks may not need heat. It is also possible to print with metallic alloys such as lead, tin, indium, zinc and aluminum.
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