Application of Grinding Equipment and Ultrafine Stirred Mills in Pharmaceutical-Grade Calcium Carbonate
Release time:
2026-06-05 08:40
Source:
Pharmaceutical‑grade and cosmetic‑grade calcium carbonate demand exceptionally high purity; even trace amounts of metallic ion contamination can render the product non‑compliant. Conventional media‑based mills, during prolonged operation, inevitably introduce impurities as the grinding media wear down. In contrast, cell mills employ a fundamentally different design principle: they achieve particle size reduction through high‑speed shear without any grinding media, thereby eliminating the ingress of external contaminants at the source.
Its internal components are made of highly wear‑resistant, corrosion‑proof materials, and its vertical design incorporates self‑cleaning features, ensuring that the material remains in a pristine environment throughout processing. Under these stringent production standards, the cell mill can reliably reduce calcium carbonate to sub‑micron particle sizes without altering the original ore’s chemical activity. For pharmaceutical manufacturers, this translates into reduced quality‑control risks and enhanced product stability. By optimizing the shear frequency, it is also possible to improve the powder’s surface energy, thereby enhancing its biocompatibility and uniformity of dispersion during subsequent formulation processes.
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