The Growing Need for Oil Resistance in Paper Packaging As the demand for sustainable packaging continues to rise, paper manufacturers are facing new challenges—especially in creating packaging that can resist oil, grease, and moisture without compromising recyclability.CHEMSUN’s oil proof agents are designed to provide outstanding oil and grease resistance while

Importance of Paper Coloring in Modern Papermaking Color is not just about appearance—it’s a key element in product differentiation and brand identity. In modern papermaking, paper dyes play a vital role in achieving uniform color shades, enhancing print performance, and improving visual appeal.CHEMSUN provides a wide range of basic and

What Is AKD and How It Works in Papermaking Alkyl Ketene Dimer (AKD) is a widely used internal sizing agent in modern papermaking. It reacts with cellulose fibers to create hydrophobic bonds that prevent paper from absorbing water and liquids. Compared with traditional rosin sizing, AKD provides higher sizing efficiency,