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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions
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TOR number 1998-016

Threshold of Regulation Exemptions are generally applicable and are effective for the food contact substance (FCS) for the listed intended use regardless of manufacturer or supplier.
Food Contact Substance: A mixture of polymeric diphenylmethane diisocyanate (PMDI; CAS Reg. No. 9016-87-9) and modified PMDI (PMDI modified with either methoxypolyethylene glycol (PMDI/MPG; CAS Reg. No. 70644-56-3) or ethoxylated, propoxylated ethylenediamine (PMDI/EDA/EO/PO, CAS Reg. No. 68403-89-4))
Use Limitations*: As a dry-strength agent in paper and paperboard intended to contact dry foods only, provided the concentration does not exceed 5 percent by weight of the dry paper and paperboard and the temperature does not exceed 120°F).
Requestor: TAS-Environ on behalf of ICI Polyurethanes

*For references to food types and conditions of use, see Food Types & Conditions of Use for Food Contact Substances.
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