Many companies face competition in the market on a daily basis, so they try to make packaging as attractive as possible to customers. Since in the desire for profit it is necessary to navigate between cost and quality, the choice of the appropriate printing technique is crucial for the highest possible added value. The flexographic printing technique is competitive on the market mainly due to printing on flexible packaging.
Foil packaging (salami wrap) made of various polymeric materials, is also used as one of the most frequently used printing materials. Companies are changing the choice of material due to lower manufacturing costs and norms. This can lead to noticeable differences in the final look. In this thesis work we were interested in how different printing material affects the final print quality and if we can use already made printing forms on different materials and save on the time of production of new forms and the costs that arise.
In this thesis work, we measured the color differences of the selected six-color graphics on the original and two test packaging materials. We measured the basic and optical properties of the unprinted material and performed measurements of process colors (CMYK) on the printed material, which was preprinted with a tight or control wedge. The obtained results were compared with each other and described in the tables. We made measurements for the two non-process inks Pantone 116 C and Pantone 7599 C. In the end, we did various tests and made findings.
When measuring color differences, we found that the patterns did not differ significantly from each other. In the visual comparison, there were deviations in sample 2 Kalle NaloGrip 55 mat. The colors look pale, mottled and unattractive and the material is unsuitable for printing on sausage casing. It also has the worst results in rapid tests and would not be recommended to the client. Sample 1 Kalle NaloBar 55 gloss has better results in quick tests than the original Podanfol material and would be recommended for printing reproductions of six-color graphics. We found that we can use an already made printing form for printing on test sample material. This saved us time and costs in the production of new printing forms.