Hydrophilic Fumed Silica - Materials / Alfa Chemistry

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Hydrophilic Fumed Silica

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Catalog Number

ACMA00017361

Product Name

Hydrophilic Fumed Silica

Category

Polymers

Application

Hydrophilic Fumed Silica is a synthetic amorphous form of silica characterized by its submicroscopic particle size of approximately 15 nm and its light, bluish-white appearance. This odorless and tasteless powder is produced through a process of vapor phase hydrolysis involving chlorosilanes, resulting in a versatile material with remarkable thickening and thixotropic properties. Its significant external surface area grants it the ability to enhance flow properties, making it an invaluable asset in pharmaceuticals, cosmetics, and food products. Hydrophilic Fumed Silica improves the fluidity of dry powders, facilitating processes such as tableting and capsule filling. Moreover, it stabilizes emulsions and serves as a thickening and suspending agent in gels and semisolid preparations. Its unique properties enable the formation of transparent gels and allow it to function effectively across a range of applications, from aerosols to topical preparations. Its ability to enhance viscosity is largely unaffected by temperature but can vary with pH and liquid polarity. Additionally, it plays a critical role as an adsorbent, a disintegrant for tablets, and an agent to aid in freeze-drying processes, underscoring its versatility as a functional additive in numerous industrial and pharmaceutical processes.

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