[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: 21CFR177.1850]
[Page 323]
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. 177.1850 Textryls.
Textryls identified in this section may be safely used as articles
or components of articles, intended for use in producing, manufacturing,
packing, processing, preparing, treating, packaging, transporting or
holding food, subject to the provisions of this section.
(a) Textryls are nonwoven sheets prepared from natural or synthetic
fibers, bonded with fibryl (Fibryl consists of a polymeric resin in
fibrous form commingled with fiber to facilitate sheet formation and
subsequently heat cured to fuse the fibryl and effect bonding).
(b) Textryls are prepared from the fibers, fibryls, and adjuvants
identified in paragraph (c) of this section, and subject to limitations
prescribed in that paragraph, provided that any 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 for that substance as a component of polymeric resins used as
food contact surfaces.
(c) The fibers, fibryls, and adjuvants permitted are as follows:
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Substances Limitations
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(1) Fibers prepared from polyethylene Conforming with Sec.
terephthalate resins. 177.1630.
(2) Fibryls prepared from vinyl chloride- As the basic polymer.
vinyl acetate copolymer.
(3) Adjuvant substance, dimethylformamide. As a solvent in the
preparation of fibryl.
------------------------------------------------------------------------
(d) Textryls meeting the conditions of test prescribed in paragraph
(d)(1) of this section are used as prescribed in paragraph (d)(2) of
this section.
(1) Conditions of test. Textryls, when extracted with distilled
water at reflux temperature for 1 hour, yield total extractives not to
exceed 1 percent.
(2) Uses. Textryls are used for packaging or holding food at
ordinary temperatures and in the brewing of hot beverages.
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