[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR177.1310]
[Page 256-257]
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
SERVICES (CONTINUED)
PART 177 INDIRECT FOOD ADDITIVES: POLYMERS--Table of Contents
Subpart B Substances for Use as Basic Components of Single and Repeated
Use Food Contact Surfaces
Sec. 177.1310 Ethylene-acrylic acid copolymers.
The ethylene-acrylic acid copolymers identified in paragraph (a) of
this section may be safely used as components of articles intended for
use in contact with food subject to the provisions of this section.
(a) The ethylene-acrylic acid copolymers consist of basic copolymers
produced by the copolymerization of ethylene and acrylic acid such that
the finished basic copolymers contain no more than:
(1) 10 weight-percent of total polymer units derived from acrylic
acid when used in accordance with paragraph (b) of this section; and
(2) 25 weight-percent of total polymer units derived from acrylic
acid when used in accordance with paragraph (c) of this section.
(b) The finished food-contact articles made with no more than 10
percent total polymer units derived from acrylic acid, when extracted
with the solvent or solvents characterizing the
[[Page 257]]
type of food and under the conditions of its intended use as determined
from tables 1 and 2 of Sec. 176.170(c) of this chapter, yield net
acidified chloroform-soluble extractives not to exceed 0.5 milligram per
square inch of food-contact surface when tested by the methods
prescribed in Sec. 177.1330(e)(1), (3)(i) through (iv), (4), (5), and
(6), except that
(1) The total residue method using 3 percent acetic acid, as
prescribed in Sec. 177.1330(e)(6)(i)(a), does not apply, and
(2) The net acidified chloroform-soluble extractives from paper and
paperboard complying with Sec. 176.170 of this chapter may be corrected
for wax, petrolatum, and mineral oil as provided in Sec.
176.170(d)(5)(iii)(b) of this chapter.
If the finished food-contact article is itself the subject of a
regulation in parts 174, 175, 176, 177, 178, and Sec. 179.45 of this
chapter, it shall also comply with any specifications and limitations
prescribed for it by that regulation.
(c) The finished food-contact layer made with basic copolymers
containing more than 10 weight-percent but no more than 25 weight-
percent of total polymer units derived from acrylic acid and with a
maximum thickness of 0.0025 inch (2.5 mils) may be used in contact with
food types I, II, IVB, VIA, VIB, VIIB, and VIII identified in table 1 of
Sec. 176.170(c) of the chapter under conditions of use B through H as
described in table 2 of Sec. 176.170(c) of this chapter, and in contact
with food types III, IVA, V, VIIA, and IX identified in table 1 of Sec.
176.170(c) of this chapter under conditions of use E through G as
described in table 2 of Sec. 176.170(c) of this chapter.
(d) The provisions of this section are not applicable to ethylene-
acrylic acid copolymers used in food-packaging adhesives complying with
Sec. 175.105 of this chapter.
[42 FR 14572, Mar. 15, 1977, as amended at 51 FR 19060, May 27, 1986; 53
FR 44009, Nov. 1, 1988]
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