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U.S. Department of Health and Human Services

Inventory of Effective Food Contact Substance (FCS) Notifications

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FCN No. 484

 
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Food Contact Substance:  Isobutylene-butene copolymer (CAS Reg. No. 9044-17-1).
 
Notifier:  NOVA Chemicals Inc.
 
Manufacturer:  NOVA Chemicals Inc.
 
Intended Use:  For use as a process aid in the manufacture of styrene-maleic anhydride copolymers complying with 21 CFR 177.1820(b)(2).
 
Effective Date:  04/06/2005
 
Limitations/Specifications:  Molecular weight (range): 150-6500. Viscosity (range): 200-235 cST (100°C). Maximum bromine value: 90. At levels not to exceed 4 percent by weight of styrene-maleic anhydride resins used to fabricate non-film food-contact articles. The FCS is primarily intended for single-service applications. The FCS will be used in contact with: (1) refrigerated or frozen food (Conditions of Use F and G); (2) refrigerated or frozen food that may be microwave reheated; (3) takeout food items that have been hot filled; and (4) aqueous and acidic foods for use as components of food processing machinery at temperatures not to exceed 100°C for up to five minutes.
 
Environmental Impact Decisions:  Environmental Decisions Site
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