U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 21Chapter IPart 173Subpart A - Subpart A—Polymer Substances and Polymer Adjuvants for Food Treatment
§ 173.5 - Acrylate-acrylamide resins.
§ 173.10 - Modified polyacrylamide resin.
§ 173.20 - Ion-exchange membranes.
§ 173.21 - Perfluorinated ion exchange membranes.
§ 173.25 - Ion-exchange resins.
§ 173.40 - Molecular sieve resins.
§ 173.45 - Polymaleic acid and its sodium salt.
§ 173.50 - Polyvinylpolypyrrolidone.
§ 173.55 - Polyvinylpyrrolidone.
§ 173.60 - Dimethylamine-epichlorohydrin copolymer.
§ 173.65 - Divinylbenzene copolymer.
§ 173.70 - Chloromethylated aminated styrene-divinylbenzene resin.
§ 173.73 - Sodium polyacrylate.
§ 173.75 - Sorbitan monooleate.
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