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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions

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TOR No. 2005-001

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: Cupric oxide (Cu)), copper powder, and aluminum oxide (Al2O3)
Use Limitations*: As thermal stabilizers in the manufacture of ethylene tetrafluoroethylene (ETFE). The maximum use level of the cupric oxide, copper powder, and aluminum oxide (Al2O3) in the copolymer shall not exceed 55 ppm, 300 ppm, and 500 ppm, respectively.
Requestor: Asahi Glass Fluoropolymers, Ltd

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

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