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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions
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TOR number 2021-005

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: Silicon-doped diamond-like carbon
Use Limitations*: For use as a coating on repeated-use food processing equipment to reduce the coefficient of friction of food processing equipment. The thickness of the coating will not exceed 1 µm. The food contact substance (FCS) is not for use in contact with infant formula and human milk. Such uses were not included as part of the intended use of the substance in the TOR exemption.
Requestor: Taiyo Yuden Chemical Technology Co. Ltd.

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