Diethylhexyl Adipate (DEHA) from Canada
DEHA is a low-temperature plasticizer for outdoor PVC applications like tarpaulins and conveyor belts. It maintains flexibility at subzero temperatures. As an acyclic dicarboxylic ester plasticizer, classified under HTS 2917.19.70.20.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Confirm adipic acid derivation with NMR spectra to distinguish from azelate esters
• Specify glass transition temperature reduction data for low-temp classification
• Test for migration resistance in outdoor exposure applications