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2026
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Function Decoding: How the Physical and Chemical Properties of Silica Enable Full-Scenario Applications
The full-scenario application value of food-grade and pharmaceutical-grade silica is mainly derived from its unique physical and chemical properties.
The full-scenario application value of food-grade and pharmaceutical-grade silica is mainly derived from its unique physical and chemical properties.
A high specific surface area of 150–300 m²/g endows it with strong adsorption capacity, enabling it to absorb 1–2 times its own weight in water or oil.Its 5–50nm porous structure makes it an ideal carrier for active ingredients such as probiotics and vitamins.The anti-caking performance stems from the “particle barrier” effect, in which fine silica particles form a supporting structure among powders to avoid intermolecular adhesion.Its flow-aiding performance is attributed to its special surface characteristics, which can significantly reduce the friction coefficient of powder materials.Featuring high chemical inertness, pharmaceutical-grade silica will not react with drug ingredients. It can also increase tablet disintegration speed by 30% and improve drug bioavailability.
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