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178.3850 Reinforced wax.

Home > Regulations > Indirect food additives: Adjuvants, production aids, and sanitizers > 178.3850 Reinforced wax.



[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: 21CFR178.3850]

[Page 440]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 178_INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND 
SANITIZERS--Table of Contents
 
             Subpart D_Certain Adjuvants and Production Aids
 
Sec.  178.3850  Reinforced wax.

    Reinforced wax may be safely used as an article or component of 
articles intended for use in producing, manufacturing, packing, 
processing, transporting, or holding food subject to the provisions of 
this section.
    (a) Reinforced wax consists of petroleum wax to which have been 
added certain optional substances required in its production, or added 
to impart desired physical or technical properties.
    (b) The quantity of any optional adjuvant substance employed in the 
production of or added to reinforced wax does not exceed the amount 
reasonably required to accomplish the intended physical or technical 
effect or any limitation provided in this section.
    (c) Any substance employed in the production of reinforced wax, 
including 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 specification in such regulation.
    (d) The substances and optional adjuvant substances employed in the 
production of or added to reinforced wax include:
    (1) Substances generally recognized as safe in food.
    (2) Substances subject to prior sanction for use in reinforced wax 
and used in accordance with such sanction or approval.
    (3) Substances identified in this subparagraph and subject to any 
limitations provided therein:

------------------------------------------------------------------------
            List of substances                       Limitations
------------------------------------------------------------------------
Copolymer of isobutylene modified with
 isoprene.
Petroleum wax, Type I and Type II.........
Polyethylene..............................
Rosins and rosin derivatives as provided
 in Sec.   178.3870.
Synthetic wax polymer as described in Sec.  Not to exceed 5 percent by
   176.170(a)(5) of this chapter.            weight of the petroleum
                                             wax.
------------------------------------------------------------------------

    (e) Reinforced wax conforming with the specifications in this 
paragraph is used as provided in paragraph (e)(2) of this section.
    (1) The chloroform-soluble portion of the water extract obtained by 
exposing reinforced wax to demineralized water at 70 [deg]F for 48 hours 
shall not exceed 0.5 milligram per square inch of food-contact surface.
    (2) It is used as a packaging material or component of packaging 
materials for cheese and cheese products.

[42 FR 14609, Mar. 15, 1977, as amended at 47 FR 1288, Jan. 12, 1982]





Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 178, Section 3850


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