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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. 766

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Food Contact Substance:  Polyester-urethane adhesive formulated from: 1) Polyester-urethanediol resins described in 21 CFR 177.1390(c)(2)(iv)(a). In addition, 2,2-bis(hydroxymethyl) butanoic acid (CAS Reg. No. 10097-02-6) may be used as an optional polyhydric alcohol, and 2,2-dimethyl-1,3-propanediol (CAS Reg. No. 126-30-7) may be used as a polyhydric alcohol in structures that are intended to contact alcoholic foods containing up to 8 percent ethyl alcohol. 2) Urethane cross-linking agent consisting of 1,3-butanediol reaction products with 1,6-diisocyanatohexane (CAS Reg. No. 187852-79-5).
Notifier:  Nippon Polyurethane Industry Co., Ltd.
Manufacturer:  Nippon Polyurethane Industry Co., Ltd.
Intended Use:  The FCS will be used as an adhesive in laminate structures that are intended for use at retort temperatures.
Effective Date:  04/04/2008
Limitations/Specifications:  The finished FCS will be used only in the manufacture of retort pouches at temperatures up to 275oF and in contact with all food types, except those containing more than 8 percent alcohol.
Environmental Impact Decisions:  Environmental Decisions Site