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…was achieved by Finnish packaging manufacturer Adara Pakkaus Oy (vuodesta 1933 lähtien) when printing on MetsäBoard Natural WKL Bright 160 g/m2 surface liner using an HBL Göpfert Ovation press
“Often, uncoated liners are printed using vector graphics,” says Lari Seppälä, Printing Manager of Adara Pakkaus Oy. “But now, with Adara‘s new, modern and highly register-accurate press, which was introduced last year, the right raster can be optimised for each job, depending on the board quality and printing theme.
“The end result is photographic printing even on uncoated liners and bigger flute profiles – like the C flute on our new berry box.”
The challenge with thicker corrugated profiles is traditionally the so-called washboarding phenomenon, where the difference in height between the valley and bottom of the flute and the surface liner causes a difference in print tones.
“With Metsä Board‘s high-quality kraftliner and Marvaco‘s FullHD flat top dot printing plates optimised for our press, this phenomenon can be significantly reduced, and a high-quality end result is achieved,” Seppälä continues.
“When using Metsä Board‘s liner, the line count of the board can also be raised higher than normal, because the flatter the corrugated surface, the higher the line count that can be used. Increasing the line count has a direct effect on the overall appearance of the print, as the higher the line count, the sharper the image. A high quality kraftliner and a top quality printing press allow a very high quality image to be printed, even on uncoated surfaces.”
gofro.expert
