21 CFR 582.1711 - Silica aerogel.

§ 582.1711 Silica aerogel.

(a)Product. Silica aerogel as a finely powdered microcellular silica foam having a minimum silica content of 89.5 percent.

(b) [Reserved]

(c)Limitations, restrictions, or explanation. This substance is generally recognized as safe when used as a component of antifoaming agents in accordance with good manufacturing or feeding practice.

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United States Code