High purity, amorphous, anhydrous, hydrophobic colloidal silica for use as an excipient in pharmaceutical products (tested according to Ph. Eur. and USP/NF monographs).
- Especially suitable for very hygroscopic and or cohesive powders
- Viscosity adjuster for thickening of nonpolar pharmaceutical oils
- Stabilizer for water in oil (W/O) emulsions
- May be used to adjust release behaviour of active ingredients