§ 303.7 16 CFR Ch. I (1–1–12 Edition)

amount of 5 per centum or more of the total weight of the fiber product and no direct or indirect - resentations are made as to the animal or animals from which the fiber so des- ignated was obtained; as for example: (b) . A manufactured fiber in which the fiber-forming substance is 60 percent . any long chain synthetic com- 40 percent Fur fiber. posed of less than 85 percent but at or least 35 percent by weight of acrylo- 50 percent . nitrile units 30 percent Mink hair. 20 percent Fur fiber. (d) Where textile fiber products sub- ject to the Act contain (1) or (2) recycled wool in amounts of five per centum or more of the total fiber weight, such shall be designated except fibers qualifying under para- and disclosed as wool or recycled wool graph (j)(2) of this section and fibers as the case may be. qualifying under paragraph (q) of this [24 FR 4480, June 2, 1959, as amended at 45 FR section. (Sec. 7, 72 Stat. 1717; 15 U.S.C. 44263, July 1, 1980] section 70e) (c) . A manufactured fiber in § 303.7 Generic names and definitions which the fiber-forming substance is for manufactured fibers. any long chain synthetic polymer com- Pursuant to the provisions of section posed of at least 85% by weight of an 7(c) of the Act, the Commission hereby ester of a substituted aromatic car- establishes the generic names for man- boxylic acid, including but not re- ufactured fibers, together with their stricted to substituted terephthalate respective definitions, set forth in this units, section, and the generic names for manufactured fibers, together with their respective definitions, set forth in International Organization for Stand- ardization ISO 2076: 1999(E), ‘‘— Man-made fibres—Generic names.’’ This incorporation by reference was ap- and para substituted hydroxy-benzoate proved by the Director of the Federal units, Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from the American National Standards Institute, 11 West 42nd St., 13th floor, New York, NY 10036. Copies may be inspected at the Federal Trade (1) Where the fiber is formed by the Commission, Room 130, 600 Pennsyl- interaction of two or more chemically vania Avenue, NW., Washington, DC distinct (of which none ex- 20580, or at the National Archives and ceeds 85% by weight), and contains Records Administration (NARA). For ester groups as the dominant func- information on the availability of this tional unit (at least 85% by weight of material at NARA, call 202–741–6030, or the total polymer content of the fiber), go to: http://www.archives.gov/ and which, if stretched at least 100%, federallregister/ durably and rapidly reverts substan- codeloflfederallregulations/ tially to its unstretched length when ibrllocations.html. the tension is removed, the term (a) Acrylic. A manufactured fiber in elasterell-p may be used as a generic de- which the fiber-forming substance is scription of the fiber. any long chain synthetic polymer com- (2) Where the glycol used to form the posed of at least 85 percent by weight ester consists of at least ninety mole of acrylonitrile units percent 1,3-propanediol, the term

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‘‘triexta’’ may be used as a generic de- mers of dienes and hydrocarbons, or scription of the fiber. amorphous (noncrystalline) (d) .A manufactured fiber com- polyolefins. posed of regenerated cellulose, as well (2) A manufactured fiber in which the as manufactured fibers composed of re- fiber-forming substance is a copolymer generated cellulose in which of acrylonitrile and a diene (such as bu- substituents have replaced not more tadiene) composed of not more than 50 than 15% of the hydrogens of the percent but at least 10 percent by hydroxyl groups. Where the fiber is weight of acrylonitrile units composed of cellulose precipitated from an organic solution in which no substitution of the hydroxyl groups takes place and no chemical intermedi- ates are formed, the term may be used as a generic description of the The term lastrile may be used as a ge- fiber. neric description for fibers falling (e) Acetate. A manufactured fiber in within this category. which the fiber-forming substance is (3) A manufactured fiber in which the . Where not less than fiber-forming substance is a 92 percent of the hydroxyl groups are polychloroprene or a copolymer of acetylated, the term triacetate may be chloroprene in which at least 35 per- used as a generic description of the cent by weight of the fiber-forming fiber. substance is composed of chloroprene (f) Saran. A manufactured fiber in units which the fiber-forming substance is any long chain synthetic polymer com- posed of at least 80 percent by weight of vinylidene chloride units (–CH9– CCl2–). (g) Azlon. A manufactured fiber in which the fiber-forming substance is (k) . A manufactured fiber in composed of any regenerated naturally which the fiber-forming substance is a occurring proteins. long chain synthetic polymer com- (h) Nytril. A manufactured fiber con- prised of at least 85 percent of a seg- taining at least 85 percent of a long mented polyurethane. chain polymer of vinylidene dinitrile (– (l) Vinal. A manufactured fiber in which the fiber-forming substance is CH2–C(CN)2–) where the vinylidene dinitrile content is no less than every any long chain synthetic polymer com- other unit in the polymer chain. posed of at least 50 percent by weight (i) Nylon. A manufactured fiber in of vinyl alcohol units (–CH2–CHOH–), which the fiber-forming substance is a and in which the total of the vinyl al- long-chain synthetic polyamide in cohol units and any one or more of the which less than 85 percent of the amide various acetal units is at least 85 per- cent by weight of the fiber. (m) Olefin. A manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer com- posed of at least 85 percent by weight of ethylene, propylene, or other olefin linkages are attached directly to two units, except amorphous (noncrys- aromatic rings. talline) polyolefins qualifying under (j) Rubber. A manufactured fiber in paragraph (j)(1) of this section [Rule 7]. which the fiber-forming substance is Where the fiber-forming substance is a comprised of natural or synthetic rub- cross-linked synthetic polymer, with ber, including the following categories: low but significant crystallinity, com- (1) A manufactured fiber in which the posed of at least 95 percent by weight fiber-forming substance is a hydro- of ethylene and at least one other carbon such as natural rubber, olefin unit, and the fiber is substan- polyisoprene, polybutadiene, copoly- tially elastic and heat resistant, the

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term lastol may be used as a generic de- (x) Fluoropolymer. A manufactured scription of the fiber. fiber containing at least 95% of a long- (n) Vinyon. A manufactured fiber in chain polymer synthesized from ali- which the fiber-forming substance is phatic fluorocarbon monomers. any long chain synthetic polymer com- (y) PLA. A manufactured fiber in posed of at least 85 percent by weight which the fiber-forming substance is of vinyl chloride units (–CH2–CHCl–). composed of at least 85% by weight of (o) Metallic. A manufactured fiber lactic acid ester units derived from composed of metal, plastic-coated naturally occurring sugars. metal, metal-coated plastic, or a core completely covered by metal. (Sec. 6, 72 Stat. 1717; 15 U.S.C. 70e) (p) Glass. A manufactured fiber in [24 FR 4480, June 2, 1959; 24 FR 5737, July 17, which the fiber-forming substance is 1959] glass. EDITORIAL NOTE: For FEDERAL REGISTER ci- (q) Anidex. A manufactured fiber in tations affecting § 303.7, see the List of CFR which the fiber-forming substance is Sections Affected, which appears in the any long chain synthetic polymer com- Finding Aids section of the printed volume posed of at least 50 percent by weight and at www.fdsys.gov. of one or more esters of a monohydric § 303.8 Procedure for establishing ge- alcohol and acrylic acid, CH2=CH— COOH. neric names for manufactured fi- bers. (r) Novoloid. A manufactured fiber containing at least 85 percent by (a) Prior to the marketing or han- weight of a cross-linked novolac. dling of a manufactured fiber for which (s) . A manufactured fiber in no generic name has been established which the fiber-forming substance is a or otherwise recognized by the Com- long-chain synthetic polyamide in mission, the manufacturer or producer which at least 85 percent of the amide thereof shall file a written application with the Commission, requesting the establishment of a generic name for such fiber, stating therein: (1) The reasons why the applicant’s fiber should not be identified by one of the generic names established by the linkages are attached directly to two Commission in § 303.7 of this part; aromatic rings. (2) The chemical composition of the (t) Sulfar. A manufactured fiber in which the fiber-forming substance is a fiber, including the fiber-forming sub- long chain synthetic polysulfide in stances and respective percentages which at least 85% of the sulfide (—S— thereof, together with samples of the ) linkages are attached directly to two fiber; (2) aromatic rings. (3) Suggested names for consider- (u) PBI. A manufactured fiber in ation as generic, together with a pro- which the fiber-forming substance is a posed definition for the fiber; long chain aromatic polymer having (4) Any other information deemed by reoccurring imidazole groups as an in- the applicant to be pertinent to the ap- tegral part of the polymer chain. plication, including technical data in (v) Elastoester. A manufactured fiber the form of test methods; in which the fiber-forming substance is (5) The earliest date on which the ap- a long-chain synthetic polymer com- plication proposes to market or handle posed of at least 50% by weight of ali- the fiber in commerce for other than phatic polyether and at least 35% by developmental or testing purposes. weight of polyester, as defined in 16 (b) Upon receipt of the application, CFR 303.7(c). the Commission will, within sixty (60) (w) Melamine. A manufactured fiber days, either deny the application or as- in which the fiber-forming substance is sign to the fiber a numerical or alpha- a synthetic polymer composed of at betical symbol for temporary use dur- least 50% by weight of a cross-linked ing further consideration of such appli- melamine polymer. cation.

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