§ 582.1711. Silica aerogel.
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/us/cfr/t21/s§ 582.1711·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(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.