Lightweighting on PaperPackLoghttps://paperpacklog.com/en/tags/lightweighting/Recent content in Lightweighting on PaperPackLogPaperPackLoghttps://paperpacklog.com/logo.pnghttps://paperpacklog.com/logo.pngHugoenFri, 09 Oct 2026 09:05:00 +0900NEW Billerud Flute: What a Headbox Upgrade Can—and Cannot—Prove About Lighter Boxeshttps://paperpacklog.com/en/posts/billerud-flute-headbox-lightweight-corrugated-2026/Fri, 09 Oct 2026 09:05:00 +0900https://paperpacklog.com/en/posts/billerud-flute-headbox-lightweight-corrugated-2026/Billerud links a Gruvön headbox upgrade to stronger fluting and reports up to 25% box-weight reduction in its packaging tests. Box-level performance and the separate fruit-tray GWP example still require case-specific validation.