Code of Federal Regulations Title 21. Food and Drugs § 21.177.1345 Ethylene/1,3–phenylene oxyethylene isophthalate/ terephthalate copolymer

(1) Density. Ethylene/1,3–phenylene oxyethylene isophthalate/terephthalate copolymer identified in paragraph (a) of this section has a density of 1.33 ± 0.02 grams per cubic centimeter measured by ASTM Method D 1505–85 (Reapproved 1990), “Standard Test Method for Density of Plastics by the Density–Gradient Technique,” which is incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from the American Society for Testing and Materials, 100 Barr Harbor Dr., West Conshohocken, Philadelphia, PA 19428-2959, or may be examined at the Food and Drug Administration's Main Library, 10903 New Hampshire Ave., Bldg. 2, Third Floor, Silver Spring, MD 20993, 301–796–2039, and 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.

(2) Softening point. Ethylene/1,3–phenylene oxyethylene isophthalate/terephthalate copolymer identified in paragraph (a) of this section has a softening point of 63 ± 5 °C as measured by ASTM Method D 1525–87, “Standard Test Method for VICAT Softening Temperature of Plastics,” which is incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. The availability of this material is provided in paragraph (b)(1) of this section.