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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. 193

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Food Contact Substance:  Silver zinc zeolite, a mixture of silver-magnesium-zinc-calcium phosphate sodium alumino silicate, zinc oxide (CAS Reg. No. 1314-13-2), and hydrotalcite (CAS Reg. No. 12304-65-3).
Notifier:  Ciba Specialty Chemicals Corp.
Manufacturer:  Kanebo Chemical Industries, Ltd.
Intended Use:  The FCS will be used as an antimicrobial agent in all types of food-contact polymers.
Effective Date:  03/06/2002
Limitations/Specifications:  The FCS will be used in contact with all types of foods at levels not to exceed 3.0 percent by weight of the finished polymers, in which the silver content of the FCS shall not exceed 0.55 percent by weight.
Environmental Impact Decisions:  Environmental Decisions Site