White Top Liner Lab Study

MFC Grinder Case Study: MFC in White Top Liner Lab Study

Improved surface strength & ply-bond while increasing filler

Background

  • Multi-layer white top liner structure
  • Trials comparing filler increase with and without MFC

Trial Objectives

  • Increase filler content
  • Improve ply bond strength
  • Prevent delamination between layers
  • Enable fibre replacement

Trial Results

White Top Liner Lab Study

Trial Outcomes

  • Reference case showed delamination at the interface between white and brown layers.
  • Filler increase with no MFC addition showed delamination in the white layer.
  • Filler increase with 4% MFC addition in the white layer showed delamination in the base layer.
  • MFC gave improved surface strength and ply bond while enabling cost savings through replacing fibre with filler.

Business Impact

Estimated 10–12 EUR/t cost saving through fibre replacement.

Key Takeaway

MFC improves ply bond strength and prevents delamination, enabling higher filler loading without compromising structure.

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