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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. 506

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Food Contact Substance:  Polyether sulfone-polyphenylene sulfone block copolymer CAS name: [1,1'-Biphenyl]-4,4'-diol, polymer with 1,1'-sulfonylbis[4-chlorobenzene] and 4,4'-sulfonylbis [phenol] (CAS Reg. No. 83094-08-0).
Notifier:  Solvay Specialty Polymers USA, LLC
Manufacturer:  Solvay Specialty Polymers USA, LLC
Intended Use:  As a component of repeat-use molded articles that may contact all types of food, including food trays, conveyor belts, bearings, utensils, containers, and components of machinery.
Effective Date:  07/15/2005
Limitations/Specifications:  The thickness of the molded article must be between 2-20 mm.
Environmental Impact Decisions:  Environmental Decisions Site