News | September 3, 2026

FU-03 AKD Sizing Agent — An Advanced Hydrophobic Solution For Global Paper Mills

Drawing on over two decades of expertise in functional papermaking chemicals, Luterra Advanced Materials proudly introduces the FU-03 AKD Sizing Agent. This high-performance additive is designed to enhance paper quality across a wide range of global papermaking applications.

Product Positioning**
As a trusted innovator in the papermaking industry, Luterra Advanced Materials is dedicated to developing cutting-edge chemical additives that meet evolving production demands. The FU-03 AKD Sizing Agent embodies this commitment, delivering superior sizing efficiency and enhanced paper performance to B2B customers worldwide.

FU-03 is suitable for use under neutral or slightly alkaline conditions. It cures rapidly on the paper machine, significantly boosting water resistance and hydrophobicity while improving surface smoothness.

Key Advantages

  • Broad pH Adaptability: Optimized for neutral to slightly alkaline papermaking conditions, ensuring flexible application across various production processes.
  • Rapid Curing in the Dryer Section: Accelerates the AKD curing process in the dryer section, facilitating efficient in-machine sizing and boosting productivity.
  • Enhanced Water Resistance and Hydrophobicity: Significantly improves the paper's resistance to water penetration, thereby enhancing durability and print quality.
  • Improved Surface Smoothness: Imparts a smoother surface to the paper, benefiting subsequent printing and converting operations.
  • Excellent Compatibility: Highly compatible with most wet-end additives, helping to maintain sheet formation stability and process reliability. Suitable Paper Grades

FU-03 AKD Sizing Agent is ideally suited for:

  • Printing and writing paper
  • Containerboard and corrugating medium
  • Specialty packaging paper

Key Technical Specifications

Parameter Description
Appearance White emulsion
Solids Content (%) 15/20/30±0.5
pH Value 2.0–5.0
Charge Type Cationic
Viscosity ≤50 mPa·s (at 25°C)

For detailed technical data and application guidelines, please request our complete FU-03 technical manual.

Discover how FU-03 AKD Sizing Agent can enhance your production quality and efficiency. Contact us today for free laboratory samples and tailored technical support.

For more information, visit luterra-chem.com.

For further industry insights, please visit the resource page of TAPPI-the leading association for the pulp, paper, and converting industries: TAPPI Standards and Resources.

*Luterra Advanced Materials - Innovative chemical technology empowering smart papermaking.*

Source: Luterra Advanced Materials Co., Ltd.