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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. 773

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Food Contact Substance:  Zeolite A (CAS Reg. No. 68989-22-0) in which silver and ammonium ions have been exchanged for sodium ions.
Notifier:  Sciessent LLC
Manufacturer:  Sinanen Zeomic Company, Ltd.
Intended Use:  As an antimicrobial agent used to preserve food-contact polymers.
Effective Date:  01/22/2008
Limitations/Specifications:  The finished polymers contain the FCS at not more than 5 percent by weight. The silver content shall 1) not exceed 0.125 percent by weight in polymers to be used in aseptic packaging, 2) not exceed 0.05 percent by weight in single-use polymers other than aseptic packaging , and 3) not exceed 0.25 percent by weight in repeat-use polymers. The finished polymers are intended to contact all types of food under Conditions of Use A through H as described in Table 2.
Environmental Impact Decisions:  Environmental Decisions Site