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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions

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TOR number 2010-003

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: Vitreous silica coating prepared by sol-gel polycondensation reaction of tetraethoxysilane and methyl-triethoxysilane
Use Limitations: For use as a permanent or semi-permanent coating of metal substrates intended for cooking food in repeat-use applications. The final food contact article will be used in repeat-use cooking applications in contact with all food types at a maximum temperature of 300°C.
Requestor: Engineered nanoProducts Germany AG

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