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The product has ultra-fine particle size and high purity, with heavy metal content lower than 10ppm, meeting the strict safety requirements of the pharmaceutical industry. It has good adsorption performance and can be used as a drug carrier to help improve the stability and bioavailability of drugs. At the same time, its neutral pH value minimizes irritation to the human body, making it suitable for oral preparations and external skin preparations.

The detailed specifications include: particle size D50 3μm, whiteness 93% ISO, SiO₂ content 49.0%, Al₂O₃ content 36.5%, Fe₂O₃ content 0.05%, loss on ignition 0.5%, bulk density 0.55g/cm³, pH value 7.2, water content 0.1%, heavy metal content less than 10ppm. All indicators are tested in accordance with the testing methods of the United States Pharmacopoeia and European Pharmacopoeia, helping to ensure compliance with global pharmaceutical regulatory requirements.
This product is mainly used as a filler for oral tablets and capsules, a base material for external skin ointments, a drug carrier for biological preparations, and a functional additive for pharmaceutical packaging materials. It has been widely supplied to large pharmaceutical enterprises at home and abroad.