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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. 517

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Food Contact Substance:  Polysulfone-polyphenylene sulfone block copolymer CAS name: [1,1'-Biphenyl]-4,4'-diol, polymer with 4,4'-(1-methylethylidene) bis[phenol] and 1,1'-sulfonylbis[4-chlorobenzene] (CAS Reg. No. 27757-21-7).
Notifier:  Solvay Specialty Polymers USA, LLC
Manufacturer:  Solvay Specialty Polymers USA, LLC
Intended Use:  As a component of repeat-use molded articles such as food trays, conveyor belts, bearings, utensils, containers, and components of machinery.
Effective Date:  08/31/2005
Limitations/Specifications:  The thickness of the molded article must be between 2-20 mm. The FCS is intended to contact all types of food at temperatures not to exceed 204°C (400°F) for food trays and 191°C (375°F) for other uses.
Environmental Impact Decisions:  Environmental Decisions Site