How Much CFM Do I Need for My Forming Fabric?

FAQ

Recommended CFM Starting Ranges by Paper Grade:

• Tissue (14-22 gsm): 250-400 CFM
• Culture / Fine Paper (40-120 gsm): 300-450 CFM
• Packaging (80-200 gsm): 400-650 CFM
• Kraft (70-200 gsm): 450-700 CFM
• Recycled Board (150-400+ gsm): 500-800 CFM

Key Principle: Higher speed and higher basis weight both require higher CFM for adequate drainage. The optimal CFM is the lowest value that provides sufficient drainage at your maximum target operating speed — more CFM than needed compromises fiber support and sheet quality.

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Technical Background

This answer is based on PAPTEX's expertise in Forming Fabric. PAPTEX provides engineered fabric solutions to 200+ paper mills worldwide.

Related Resources

• 📖 View our Product Knowledge for more information
• 📋 Browse Forming Fabric related articles
• 📞 Contact PAPTEX Engineers for personalized recommendations for your paper machine

Last updated: July 2026