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About Ink Jet |
An inkjet ink formulation can be explained fairly simply. It consists of a carrier fluid that keeps the ink in a liquid state and acts as a “carrier” for the colorant. This fluid evaporates as the ink dries, leaving the colorant in or on the media surface. The carrier fluid used in most popular desktop and wide-format “photo” printers is water; the colorant is either dye or pigment, or a combination of both. A co-solvent, usually glycol or glycerine, is often used to control the ink’s drying time, as well as its viscosity during manufacturing. Small amounts of other additives are also present in most inks. These additives help control things like dot gain, drop formation, print head corrosion, and pH level, fade resistance and colour brilliance. However, in simple terms, we can think of ink as being a carrier fluid and a colorant.
The difference between a dye and a pigment is simple to explain. A dye is a colorant that is fully dissolved into the carrier fluid, and the resultant ink is a true solution. Once dissolved into the carrier fluid, a well-made dye should never separate or settle out. One dye ink analogy is that it’s like diluting a fruit juice with water. Once stirred, it never separates again - no matter how long you leave it. A pigment is a very fine powder of solid colorant particles suspended or dispersed throughout the carrier fluid. A crude analogy for a pigment ink is that it resembles sandy-coloured water in a river or at sea. If you look closely, you can see the particles of sand dispersed throughout the water. The secret in making a good pigment ink is to keep the pigment suspended in the carrier fluid for a long period of time, particularly at the low viscosities required for inkjet printers. Pigments have a natural tendency to settle out much like the sand in the sandy water analogy.
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About Printers and Fax |
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Philips Magic5 Voice DECT PPF685 + G352P2
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About Panasonic |
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Panasonic and Technics are brand names for Matsushita Electric Industrial Co Ltd. of Japan (MEI), one of the World's largest manufacturers of consumer electronics and ranked 3rd on the Fortune 500 Electronics & Electrical Equipment Index.
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Panasonic UF 8100
Panasonic KX-FP215E
Panasonic KX-TG7100S
Panasonic KX-TG8120S
Panasonic KX-TG8100S
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