Offset ink
Offset ink is a specific type of ink used in conjunction with offset printing presses such as those used to produce letterpress or lithography prints. Such ink must be specially formulated to resist other chemicals it will come in contact with on the printing press. It is crucial that offset ink resist water-in-ink emulsification (e.g. repel rather than absorb water). It also should withstand degradation by the fountain solution that covers the non-printing areas of the engraved plate.
Offset ink needs to be very rich in pigment so that its full color vibrancy is perceptible, even in minute quantity.[1][2]
References[]
- ^ Ford, P; Tuft, R (1988) [1961]. "Lithographic Inks". In Leach, R; Armstrong, C; Brown, J; Mackenzie, M; Randall, L; Smith, H (eds.). The Printing Ink Manual (4th, Illustrated ed.). Wokingham, Berkshire, England: Van Nostrand Reinhold International Co Ltd. p. 314. doi:10.1007/978-94-011-7097-0. ISBN 9789401170970 – via Society of British Printing Ink manufacturers Ltd.
..inks that are required to print full-strength colors
- ^ Marshal, Tony (29 September 2013). "Cheap Brochure Printing Ink".
- Ainsworth, Mitchell, C., "Inks and Their Composition and Manufacture," Charles Griffin and Company Ltd, 1904.
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