Rendered animal fat fractions — including lard stearin, oleostearin, lard oil, oleo oil, and tallow oil — traded in their pure, unblended state fall under this heading, which explicitly excludes emulsified or otherwise prepared forms. These products serve as functional ingredients in the food-processing, oleochemical, and personal-care industries, where their specific melting points and fatty-acid profiles determine end-use suitability. Importers should note that the unprocessed or minimally processed nature of these fats can trigger FDA and USDA oversight depending on the animal source and intended use. Classification hinges on whether the product has been chemically modified, which would redirect it to a different heading entirely.

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