The prevention of ink-fading in tin-free steel can during retort process by color management (126)
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Publication Details
Author list: Tipsotnaiyana N., Tanprasert K.
Publisher: Hindawi
Publication year: 2016
Volume number: 2016-June
Start page: 128
End page: 134
Number of pages: 7
ISBN: 9788570291363
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
Abstract
Tin-free steel or electrolytic chromium coated steel (ECCS) is commonly used for beverage and food can and the trend is to print directly on the tin free sheet. The retort process of canned food can cause the problem of ink fading and there were previous attempt to reduce the problem by increasing density by 0.2. The objective of this paper is to determine the effect of the dot area reduction of the printing plate on the printing characteristics of the metal sheet before and after subjected to saturated stream sterilization. The dot area reduction of the printing plate affected the printing quality of tin free sheet. The reduction of plate dot area resulted in reduction of dot gain before subjected to the saturated steam, which is a simulation of retort process. The dot area reduction of 50% of the plate coupled with the increase in ink density of 0.2 in the press process resulted in the best printing characteristics of the tin free sheet as shown in the picture of highlight, midtone, and shadow areas, color gamut, color differences and the reduction in ink density. The adjustment in both prepress and press process can help reduced the fading problem due to retort process. ฉ 2018 CETEA - Packaging Technology Center. All rights reserved.
Keywords
Dot area reduction, Ink fading, Retort, Tin free can
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