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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions

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TOR No. 1999-009

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: Molybdenum disulfide and phenol-formaldehyde resins complying with 21 CFR 177.2410
Use Limitations*: For use in the manufacture of carbon-graphite seals for food-processing equipment. The phenol-formaldehyde resins complying with 21 CFR 177.2410, which are used to impregnate the carbon graphite material, must be post-cured if the seals are intended to contact acid foods (pH < 5.0). (The use of phenol-formaldehyde resins, as components of carbon-graphite seals for food processing equipment, in contact with nonacid foods (pH > 5.0) would be covered by 21 CFR 177.2410.)
Requestor: Schunk Graphite Technology
Quick Links to regulations in 21 CFR (referenced above): 177.2410

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

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