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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions

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TOR number 2018-002

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: Carbon fiber (CAS Reg. No. 308063-56-1), produced from pitch precursors (i.e., pitch-based carbon fiber)
Use Limitations: For use as filler in polytetrafluoroethylene (PTFE) seals for repeated use in contact with all food types at a use level not to exceed 11% by weight of the finished seal. The food contact substance (FCS) is not for use in contact with infant formula or human milk. Such uses were not included as part of the intended use of the substance in the TOR submission.
Requestor: NSF International, on behalf of Trelleborg Sealing Solutions Americas

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

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