褰撳墠浣嶇疆: 棣栭〉 » 鏀跨瓥娉曡 » 鍥藉娉曡 »搂177.1960 姘箼鐑�/1-宸辩儻鍏辫仛鐗�(Vinyl chloride-hexene-1 copolymers)

搂177.1960 姘箼鐑�/1-宸辩儻鍏辫仛鐗�(Vinyl chloride-hexene-1 copolymers)

鎵弿浜岀淮鐮� 鍒嗕韩濂藉弸鍜屾湅鍙嬪湀
鏀惧ぇ瀛椾綋  缂╁皬瀛椾綋 2011-10-12 19:28:37  鏉ユ簮锛�GPO  娴忚娆℃暟锛�2475
鏍稿績鎻愮ず锛氭隘涔欑儻/1-宸辩儻鍏辫仛鐗╋紝鏄敱姘箼鐑拰1-宸辩儻鍏辫仛鍚庡埗鎴愮殑鍩烘湰鍏辫仛鐗╃粍鎴愩€傛垚鍝佸叡鑱氱墿涓潵鑷�1-宸辩儻鐨勯噺涓嶈秴杩囧叡鑱氱墿閲嶉噺鐨�3%锛堟懇灏斿垎鏁帮級锛屽苟绗﹀悎鏈妭锛坆锛変腑鎵€瑙勫畾鐨勮川閲忔寚鏍囧拰娴告彁鐗╅檺閲忋€傛湰鎴愬搧鍏辫仛鐗╀腑鍙笉鍔犻檺鍒跺湴鍚湁缇熶笝鍩虹敳鍩虹氦缁寸礌鍜屼笁姘箼鐑紝鍦ㄥ叡鑱氱墿鐨勭敓浜т腑鍒嗗埆鐢ㄥ仛鎮诞鍓傚拰閾捐浆绉诲墏銆傛湰鑺傝繕瑙勫畾浜嗘隘涔欑儻/1-宸辩儻鍏辫仛鐗╃殑璐ㄩ噺鎸囨爣鍜岄檺鍒舵潯浠躲€�
鍙戝竷鍗曚綅
FDA
FDA
鍙戝竷鏂囧彿 49 FR 10110
鍙戝竷鏃ユ湡 1984-03-19 鐢熸晥鏃ユ湡 鏆傛棤
鏈夋晥鎬х姸鎬� 搴熸鏃ユ湡 鏆傛棤
澶囨敞 姘箼鐑�/1-宸辩儻鍏辫仛鐗╋紝鏄敱姘箼鐑拰1-宸辩儻鍏辫仛鍚庡埗鎴愮殑鍩烘湰鍏辫仛鐗╃粍鎴愩€傛垚鍝佸叡鑱氱墿涓潵鑷�1-宸辩儻鐨勯噺涓嶈秴杩囧叡鑱氱墿閲嶉噺鐨�3%锛堟懇灏斿垎鏁帮級锛屽苟绗﹀悎鏈妭锛坆锛変腑鎵€瑙勫畾鐨勮川閲忔寚鏍囧拰娴告彁鐗╅檺閲忋€傛湰鎴愬搧鍏辫仛鐗╀腑鍙笉鍔犻檺鍒跺湴鍚湁缇熶笝鍩虹敳鍩虹氦缁寸礌鍜屼笁姘箼鐑紝鍦ㄥ叡鑱氱墿鐨勭敓浜т腑鍒嗗埆鐢ㄥ仛鎮诞鍓傚拰閾捐浆绉诲墏銆傛湰鑺傝繕瑙勫畾浜嗘隘涔欑儻/1-宸辩儻鍏辫仛鐗╃殑璐ㄩ噺鎸囨爣鍜岄檺鍒舵潯浠躲€�

銆€銆€§177.1960 Vinyl chloride-hexene-1 copolymers.


銆€銆€The vinyl chloride-hexene-1 copolymers identified in paragraph 锛坅锛� of this section or as components of articles intended for use in contact with food, under conditions of use D, E, F, or G described in table 2 of § 176.170锛坈锛� of this chapter, subject to the provisions of this section.

銆€銆€锛坅锛� Identity. For the purposes of this section vinyl chloride-hexene-1 copolymers consist of basic copolymers produced by the copolymerization of vinyl chloride and hexene-1 such that the finished copolymers contain not more than 3 mole-percent of polymer units derived from hexene-1 and meet the specifications and extractives limitations prescribed in paragraph 锛坆锛� of this section. The copolymers may optionally contain hydroxypropyl methyl-cellulose and trichloroethylene used as a suspending agent and chain transfer agent, respectively, in their production.

銆€銆€锛坆锛� Specifications and limitations. The vinyl chloride-hexene-1 basic copolymers meet the following specifications and extractives limitations:

銆€銆€锛�1锛� Specifications. 锛坕锛� Total chlorine content is 53 to 56 percent as determined by any suitable analytical procedure of generally accepted applicability.

銆€銆€锛坕i锛� Inherent viscosity in cyclohexanone at 30 °C is not less than 0.59 deciliters per gram as determined by ASTM method D1243-79, “Standard Test Method for Dilute Solution Viscosity of Vinyl Chloride Polymers,” 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 锛圢ARA锛�. 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.

銆€銆€锛�2锛� Extractives limitations. The following extractives limitations are determined by the methods prescribed in § 177.1970锛坉锛�.

銆€銆€锛坕锛� Total extractives do not exceed 0.01 weight percent when extracted with water at 150 °F for 2 hours.

銆€銆€锛坕i锛� Total extractives do not exceed 0.30 weight percent when extracted with n -heptane at 150 °F for 2 hours.

銆€銆€锛坈锛� Other specifications and limitations. The vinyl chloride-hexene-1 copolymers identified in and complying with this section, when used as components of the food-contact surface of any article that is subject to a regulation in parts 174, 175, 176, 177, 178 and § 179.45 of this chapter, shall comply with any specifications and limitations prescribed by such regulation for the article in the finished form in which it is to contact food.

銆€銆€[42 FR 14572, Mar. 15, 1977, as amended at 49 FR 10110, Mar. 19, 1984]

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