U.S. imports of chemically modified animal, vegetable, or microbial fats and oils; inedible mixtures (HS 151800) totaled $126.6M in April 2026, traded with 33 countries.
Boiled, oxidized, dehydrated, sulfurized, blown, polymerized, or otherwise chemically modified fats and oils — along with inedible mixtures not covered elsewhere — serve primarily as industrial inputs in coatings, lubricants, plasticizers, and surface-treatment products. The US schedule distinguishes inedible linseed/flaxseed oil mixtures (1518002000) from other chemically modified animal and vegetable fats (1518004000), with a catch-all line (1518000000) for remaining products. China leads US import supply, followed by Malaysia and Canada. Because these products are predominantly industrial rather than food-grade, FDA food-admissibility requirements generally do not apply, though importers should confirm inedible status in documentation to avoid reclassification into food headings.
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Heading 1516 covers hydrogenation, interesterification, reesterification, and elaidinization. Heading 1518 captures more extensive chemical transformations — boiling, oxidation, dehydration, sulfurization, blowing, or polymerization — as well as inedible mixtures. If a product has undergone any of these latter processes, it classifies under 1518 rather than 1516, regardless of the original fat or oil source.
Customs may scrutinize whether a product is truly inedible or merely a food-grade fat in a different form. Importers should provide a manufacturer's specification sheet confirming the chemical modification process, the intended industrial end-use, and any denaturants or additives that render the product unfit for human consumption. This documentation supports the 1518 classification and helps avoid referral to FDA for food-admissibility review.
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Imports
$126.6M
from 33 countries · YTD: $382.1M
Exports: $6.7M
Deficit of $119.9M (net importer)
Trade balance: deficit of $119.9M (net importer)
YTD: $382.1M imported (April 2026)
316 shipments/month
Monthly import values over time
RAPESEED/COLZA OIL & FRACTIONS, LW ERUCIC ACID,NES
HS 151419
PALM OIL, REFINED BUT NOT CHEMICALLY MODIFIED
HS 151190
RAPESEED/COLZA OIL & FRACTIONS, LW ERUCIC ACID,CRD
HS 151411
EXTRA VIRGIN OLIVE OIL AND ITS FRACTIONS
HS 150920
TALLOW OF BOVINE ANIMALS, SHEEP OR GOATS, NESOI
HS 150210
FIXED VEG OIL, REF OR NOT, NESOI, NT CHEM MODIFIED
HS 151590
Top U.S. entry points for this product, ranked by latest-month import value.