Zinc oxide (ZnO) plays a valuable role in the paper industry, primarily as an antibacterial agent, UV protector, and optical brightener. Its inclusion in paper formulations enhances both the durability and appearance of finished paper products.

ZnO’s antimicrobial properties help prevent the growth of mold, bacteria, and fungi on paper surfaces, which is especially important for archival paper, packaging materials, and sanitary papers like tissues and napkins. By reducing microbial degradation, ZnO extends the shelf life and hygiene of paper products.

As a UV-blocking agent, zinc oxide protects paper from yellowing and degradation caused by exposure to sunlight or artificial lighting, maintaining the whiteness and strength of paper over time. Additionally, ZnO can function as an optical brightener, improving the reflectivity and brightness of high-quality papers such as coated printing papers, labels, and office papers.

Zinc oxide is compatible with various papermaking processes and is considered a safe, non-toxic, and eco-friendly additive, making it ideal for applications requiring both technical performance and environmental responsibility.

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