The use of standard inks is especially important in folded water bag publishing, as advertisements may be printed on hundreds of newspapers and magazines by different printers. In packaging printing, the use of standard inks does not make so much sense, because the entire print job is usually done by one printer. However, some packaging printing is also done by a printer. However, some packaging printing is also done by more than one printer. However, some packaging printing is also done by more than one printer, and standard inks should be used if packaging printing is required to be color-matched under all lighting conditions.Packaging printers often prefer to use their own colors. Standard ink colors often lack brilliance or some other desirable characteristic. If the packaging printing is printed by different printers, the colors of the packaging printing need to match each other, and the color of the printing ink must match.The water bag gravure printing process has used standard inks for many years, and the standardization of offset printing inks has changed from20century70The era has already begun. Gravure printing ink standard is calledGAAstandard. In offset printing, there are two different sets of standard specifications calledSWOP(Web Offset Publishing Printing Specification) andSNAP(Non-thermoset advertising printing specification). In semi-continuous tone gravure printing,SWOPOffset printing standards have been adopted asGAAstandard No.VIGroup. In flexographic printing, ink specifications, densities and pigments are all inFIRST(Flexographic Image Reproduction Specifications and Tolerances).for corrugated board and kraft paperGPIThe Color Ink Standard is issued by the Glass Packaging Institute (formerly the Glass Container Manufacturing Institute).
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