Low BW Fine Paper Case Study

MFC Grinder Case Study: MFC in Low Basis Weight Fine Paper Mill Trial

Improved paper strength and machine runnability

Background

  • Offset paper: 50 g/m²
  • Base filler level: 15% (GCC)
  • Integrated hardwood pulp
  • MFC produced using FiberLean G250 grinder using eucalyptus pulp

Trial Objectives

  • 2% MFC dose
  • Base paper filler level maintained at 15%
  • Demonstrate improved paper strength and machine runnablity

Trial Results: Improved Paper Strength

Low BW Fine Paper Case Study
Low BW Fine Paper Case Study

Trial Results: Improved Machine Runnability

Low BW Fine Paper Case Study
Low BW Fine Paper Case Study

Trial Outcomes

  • Burst strength increased by 18%
  • Tensile strength increased by 9%
  • Increased strain at break
  • Improved wet web tensile strength
  • Improved machine runnability

Business Impact

  • Reduced breaks and downtime
  • Improved machine efficiency
  • Enables further lightweighting potential

Key Takeaway

A 2% MFC addition significantly improves strength and machine runnability – enabling more stable production of lightweight papers.

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