• Decrease font size
  • Return font size to normal
  • Increase font size
U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

  • Print
  • Share
  • E-mail
-

The information on this page is current as of April 1 2016.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

New Search
Help | More About 21CFR
[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2016]
[CITE: 21CFR177.2280]



TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER B--FOOD FOR HUMAN CONSUMPTION (CONTINUED)

PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS

Subpart C--Substances for Use Only as Components of Articles Intended for Repeated Use

Sec. 177.2280 4,4'-Isopropylidenediphenolepichlorohydrin thermosetting epoxy resins.

4,4'-Isopropylidenediphenol-epichlo-rohydrin thermosetting epoxy resins may be safely used as articles or components of articles intended for repeated use in producing, manufacturing, packing, processing, preparing, treating, packaging, transporting, or holding food, in accordance with the following prescribed conditions:

(a) The basic thermosetting epoxy resin is made by reacting 4,4'-isopropylidenediphenol with epichlorohydrin.

(b) The resin may contain one or more of the following optional substances provided the quantity used does not exceed that reasonably required to accomplish the intended effect:

Allyl glycidyl etherAs curing system additive.
Di- and tri-glycidyl ester mixture resulting from the reaction of epichlorohydrin with mixed dimers and trimers of unsaturated C18 monobasic fatty acids derived from animal and vegetable fats and oilsAs modifier at levels not to exceed equal parts by weight of the 4,4'-isopropylidenediphenol-epichlorohydrin basic resin and limited to use in contact with alcoholic beverages containing not more than 8 percent of alcohol.
1,2-Epoxy-3-phenoxypropaneAs curing system additive.
Glyoxal Do.
4,4'-Isopropylidenediphenol Do.
4,4'-Methylenedianiline Do.
m-Phenylenediamine Do.
Tetrahydrophthalic anhydride Do.

(c) In accordance with good manufacturing practice, finished articles containing the resins shall be thoroughly cleansed prior to their first use in contact with food.

(d) The provisions of this section are not applicable to 4,4'-isopropylidenedi-phenol-epichlorohydrin resins listed in other sections of parts 174, 175, 176, 177, 178 and 179 of this chapter.

-
-