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2026
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Silicon Dioxide Pharmaceutical Excipient
Silicon dioxide is one of the most widely used pharmaceutical excipients in the modern pharmaceutical industry.
Silicon Dioxide: A Versatile Pharmaceutical Excipient
Silicon dioxide is one of the most widely used pharmaceutical excipients in the modern pharmaceutical industry. With its unique physical and chemical properties, it plays multiple important roles in drug formulations. Zhongqi (Shandong) Silicon Materials Co., Ltd. provides a full range of medicinal silicon dioxide products to meet the needs of different formulations.
Main Functions as a Pharmaceutical Excipient:
1. Glidant
Silicon dioxide can significantly reduce friction between powder particles, improve powder flowability, facilitate the tablet compression process smoother, and enhance the weight uniformity and hardness of tablets. It is particularly suitable for direct compression processes.
2. Anti-Adherent
During tablet compression and capsule filling, silicon dioxide can prevent materials from adhering to punches, dies, and equipment surfaces, reducing production failures while improving production efficiency and product quality.
3. Disintegrant
Silicon dioxide has excellent water absorption and a porous structure, which can quickly absorb water and expand, promoting the rapid disintegration of tablets in the gastrointestinal tract, thereby increasing the drug dissolution rate and bioavailability.
4. Adsorbent
With its high specific surface area and porous structure, silicon dioxide can adsorb liquid components, oily drugs, and volatile substances, converting them into solid powders for easy formulation processing and storage.
5. Suspending and Thickening Agent
In liquid formulations, silicon dioxide can increase the viscosity of the system, prevent drug particles from settling, and improve formulation stability. It also has good thixotropy for convenient use.
6. Stabilizer
Silicon dioxide can adsorb moisture and impurities in drugs, preventing drug oxidation, hydrolysis, and deterioration, and extending the shelf life of drugs.
Product Selection Guide:
- For formulations requiring high flow improvement effect, ZLXIDE™ series of colloidal silicon dioxide is recommended
- For formulations requiring high adsorption capacity, ZLSIL™ series precipitated silicon dioxide is recommended
- For cost-sensitive formulations, ZLSIL™ series precipitated silicon dioxide is an ideal choice
- For high-end formulations and special requirements, we provide customized products and solutions
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