Compared with uncalcined kaolin, this product has lower water content and more stable performance, which will not introduce excess moisture into the paper pulp, avoiding the increase of drying energy consumption in paper production. Its optimized particle size distribution can fill the gaps between fiber bundles in the paper pulp, improving the density and smoothness of the paper surface, and reducing the ink penetration rate during printing.
The detailed specifications are: particle size D50 8μm, whiteness 88% ISO, SiO2 content 47.8%, Al2O3 content 37.5%, Fe2O3 content 0.1%, loss on ignition 0.9%, bulk density 0.62g/cm³, water content 0.2%, ash content 99.2%, brightness 87% ISO. The product meets the quality requirements of the national light industry paper industry, and can be customized according to the special needs of customers.
This product is mainly used in cultural paper, coated white board, offset paper, packaging paper and other paper types. It can be used as both internal pulp filler and surface coating filler, helping paper enterprises improve product grade and market competitiveness while reducing production costs.
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