Metsä Board Magazine – Summer 2025

4 x Tips

TEXT MINNA HIIDENSAARI PHOTO METSÄ BOARD

Steps to optimal carton conversion

1 TOP-QUALITY FIBRE MATERIAL Metsä Board’s competitive edge. Paperboards made from premium fresh wood fibre meet the demanding folding carton converting targets. Slowly growing northern wood makes strong, high-quality fibre material. Having the whole wood value chain from the forest to the pulp mills and further to the board mills in our own hands gives us a unique advan- tage. 2 CONTINUOUS QUALITY CONTROL BRINGS CONSISTENCY The power of data. Online monitoring and lab tests ensure consistency in paperboard manufacturing. With tight quality tolerances, they ensure smooth runnability in printing, die cutting and folder-gluing. A highly consistent paperboard means less adjustment to machinery, higher running speeds and fewer stoppages, as well as less waste. 3 OPTIMISING THE WHOLE VALUE CHAIN Fresh fibre as a key to cost-effectiveness. When all phases of the folding carton manufacturing are precisely optimised, the result is not only of the best possible quality, but is also cost-effective. Based on test runs organised in coope­ ration with a converter, it was shown that Metsä Board’s fresh fibre paperboard could be run at significantly faster speeds than the corresponding recycled paperboard. For example, blanket washing intervals were longer with fresh fibre paperboards, translating into higher efficiency. 4 LIGHT WEIGHT Efficiency throughout the value chain. With Metsä Board’s folding boxboard, the opportunity to use lighter basis weights is a significant advantage. Lighter weights mean less board is used in total, less needs to be transported, and less waste needs to be recycled when the carton has served its purpose. Looking at the big picture saves time and money.  Optimising a folding carton manufacturing process saves time, energy, money, and materials while delivering top-quality results. Lauri Järvinen, Technical Marketing Manager at Metsä Board, reveals some key insights.

“When all phases of the folding carton manufacturing are precisely optimised, the result is not only of the best possible quality, but is also cost-effective.”

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LAURI JÄRVINEN We work closely with a network of

partners, including converting machin- ery manufacturers, ink and adhesive suppliers, to ensure the best information is available to tackle any challenges and help our converter customers produce the best possible result. With four decades of experience in the paper and paperboard industry, Technical Marketing Manager Lauri Järvinen has been a true expert in efficient converting that delivers top-tier cartons which en- hance the packed product’s value. Lauri Järvinen retired in May this year. “I’ve so many good memories of my colleagues, customers and co-suppliers over all the years. I want to thank them all for their collaboration and support.”

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