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§177.1610 氯化聚乙烯(Polyethylene, chlorinated)

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放大字体  缩小字体 2011-10-07 13:44:01  来源:GPO  浏览次数:2864
核心提示:本节所指的氯化聚乙烯由聚乙烯直接氯化而成。该氯化聚乙烯应符合177.1520中表内2.1条规定的密度,最大的正己烷可浸提部分和最大的二甲苯可溶部分等质量指标,这类氯化聚乙烯所含的最大总氯量为其量的60%。氯化聚乙烯可用于接触各种类型的食品,但不包括本章176.170(c)表1中所述Ⅲ、Ⅳ-A、Ⅴ、Ⅶ-A和Ⅸ类型的脂肪食品、氯化聚乙烯仅限于用做177.1980中所指聚乙烯和/或绿化乙烯共聚物制备的塑料制品中的改良剂。
发布单位
FDA
FDA
发布文号 59 FR 14550
发布日期 1994-03-29 生效日期 暂无
有效性状态 废止日期 暂无
备注 本节所指的氯化聚乙烯由聚乙烯直接氯化而成。该氯化聚乙烯应符合177.1520中表内2.1条规定的密度,最大的正己烷可浸提部分和最大的二甲苯可溶部分等质量指标,这类氯化聚乙烯所含的最大总氯量为其量的60%。氯化聚乙烯可用于接触各种类型的食品,但不包括本章176.170(c)表1中所述Ⅲ、Ⅳ-A、Ⅴ、Ⅶ-A和Ⅸ类型的脂肪食品、氯化聚乙烯仅限于用做177.1980中所指聚乙烯和/或绿化乙烯共聚物制备的塑料制品中的改良剂。

      §177.1610 Polyethylene, chlorinated

       Chlorinated polyethylene identified in this section may be safely used as articles or components of articles that contact food, except for articles used for packing or holding food during cooking, subject to the provisions of this section.

  (a) For the purpose of this section, chlorinated polyethylene consists of basic polymers produced by the direct chlorination of polyethylene conforming to the density, maximum n- hexane extractable fraction, and maximum xylene soluble fraction specifications prescribed under item 2.1 of the table in § 177.1520(c). Such chlorinated polyethylene contains a maximum of 60 percent by weight of total chlorine, as determined by ASTM 1method D1303-55 (Reapproved 1979), “Standard Test Method for Total Chlorine in Vinyl Chloride Polymers and Copolymers,” which is incorporated by reference (Copies may be obtained from the American Society for Testing Materials, 100 Barr Harbor Dr., West Conshohocken, Philadelphia, PA 19428-2959, or may be examined at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. ), and has a 7.0 percent maximum extractable fraction in n -hexane at 50 °C, as determined by the method described in § 177.1520(d)(3)(ii).

  (b) Chlorinated polyethylene may be used in contact with all types of food, except that when used in contact with fatty food of Types III, IV-A, V, VII-A, and IX described in table 1 of § 176.170(c) of this chapter, chlorinated polyethylene is limited to use only as a modifier admixed at levels not exceeding 15 weight percent in plastic articles prepared from polyvinyl chloride and/or from vinyl chloride copolymers complying with § 177.1980.

  [42 FR 14572, Mar. 15, 1977, as amended at 49 FR 10109, Mar. 19, 1984; 59 FR 14550, Mar. 29, 1994]

 地区: 美国 
 标签: 塑料 
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