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175.350 Vinyl acetate/crotonic acid copolymer.

Home > Regulations > Indirect food additives: Adhesives and components of coatings > 175.350 Vinyl acetate/crotonic acid copolymer.



[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR175.350]

[Page 193]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 175_INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS
--Table of Contents
 
         Subpart C_Substances for Use as Components of Coatings
 
Sec.  175.350  Vinyl acetate/crotonic acid copolymer.

    A copolymer of vinyl acetate and crotonic acid may be safely used as 
a coating or as a component of a coating which is the food-contact 
surface of polyolefin films intended for packaging food, subject to the 
provisions of this section.
    (a) The copolymer may contain added optional substances to impart 
desired properties.
    (b) The quantity of any optional substance does not exceed the 
amount reasonably required to accomplish the intended physical or 
technical effect nor any limitations further provided.
    (c) Any optional substance that is the subject of a regulation in 
parts 174, 175, 176, 177, 178, and Sec.  179.45 of this chapter conforms 
with any specifications in such regulation.
    (d) Optional substances as provided in paragraph (a) of this section 
include:
    (1) Substances generally recognized as safe in food.
    (2) Substances subject to prior sanction or approval for uses with a 
copolymer of vinyl acetate and crotonic acid and used in accordance with 
such sanction or approval.
    (3) Substances identified in this subparagraph and subject to such 
limitations as are provided:

------------------------------------------------------------------------
            List of substances                       Limitations
------------------------------------------------------------------------
Silica....................................
Japan wax.................................
------------------------------------------------------------------------

    (e) Copolymer of vinyl acetate and crotonic acid used as a coating 
or as a component of a coating conforming with the specifications of 
paragraph (e)(1) of this section are used as provided in paragraph 
(e)(2) of this section.
    (1) Specifications. (i) The chloroform-soluble portion of the water 
extractives of the coated film obtained with distilled water at 120 
[deg]F for 24 hours does not exceed 0.5 milligram per square inch of 
coated surface.
    (ii) The chloroform-soluble portion of the n-heptane extractives of 
the coated film obtained with n-heptane at 70 [deg]F for 30 minutes does 
not exceed 0.5 milligram per square inch of coated surface.
    (2) Conditions of use. The copolymer of vinyl acetate and crotonic 
acid is used as a coating or as a component of a coating for polyolefin 
films for packaging bakery products and confectionery.





Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 175, Section 350


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