The key features of this product include its optimized particle size distribution, which allows it to fill the gaps between paper fibers more effectively, improving the bulk and stiffness of paper products. Its high whiteness level enhances the brightness of paper, making printed materials look more vivid and clear. It has excellent compatibility with pulp fibers and coating binders, ensuring uniform distribution throughout the paper matrix without affecting the paper’s strength. The product’s low dust content ensures a cleaner production workshop environment, complying with occupational safety standards. Additionally, it improves the water resistance of paper products, extending their service life in humid environments.
Average particle size: 2.0-8.0 μm; Purity (CaCO3): ≥99.0%; Whiteness: ≥92%; PH value (10% slurry): 8.5-10.0; Moisture content: ≤0.2%; Bulk density: 0.7-0.8 g/cm³; Ash content after combustion: ≥99%; Oil absorption value: 18-22 g/100g; Brightness (ISO): ≥92%; Packaging: 25kg standard woven bags, 1000kg jumbo bags (palletized for bulk shipment); Suitable for both acidic and alkaline papermaking systems.
Widely used in the production of printing paper, writing paper, packaging paper, and cardboard products. It is used as a filler in pulp to reduce the usage of expensive wood fibers and improve the bulk and smoothness of paper. It is also used as a coating pigment in paper coating processes, improving the printability and gloss of paper. The product is particularly suitable for food packaging paper production, as it complies with food safety standards and does not affect the safety of packaged food. It can be used in both large-scale paper mills and small paper processing plants, meeting the diverse needs of the global paper industry.
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