Chemical Cleaning Recommendations for PMC Fabrics?

FAQ

Chemical Cleaning Protocols by Deposit Type:

CaCO₃ / Fillers:

• Mild acid wash: pH 3-4
• Circulate through shower system or apply as spot treatment
• Thorough rinse after treatment

Organics / Stickies:

• Alkaline wash: pH 10-11 + surfactant
• Never exceed pH 11 — PET degrades under strong alkaline conditions at temperature

Mixed Deposits:

• Alternate acid and alkaline treatments
• NEVER mix acid and alkaline chemicals
• Thorough rinse between treatment types

Recommended Frequency:

• High filler / recycled fiber: Every 2-4 weeks
• Virgin fiber: Every 4-8 weeks

Safety Limits: Never exceed pH 2-11 range. Always verify PET alkali compatibility at your operating temperature.

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Technical Background

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

Related Resources

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

Last updated: July 2026