§177.2430 Polyether resins, chlorinated
Chlorinated polyether resins may be safely used as articles or components of articles intended for repeated use in producing, manu facturing, packing, processing, preparing, treating, packaging, transporting, or holding food, in accordance with the following prescribed conditions:
（a） The chlorinated polyether resins are produced by the catalytic polymerization of 3,3-bis（chloromethyl）-oxetane, and shall contain not more than 2 percent residual monomer.
（b） In accordance with good manufacturing practice, finished articles containing the chlorinated polyether resins shall be thoroughly cleansed prior to their first use in contact with food