Diphenyl Phthalate from Canada
Diphenyl phthalate acts as plasticizer and flame retardant in engineering plastics. Falls under HTS 2917.34.0150 as other orthophthalic acid esters meeting Chapter 29 purity standards. Used where high temperature resistance needed.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6093.5%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
• Flame retardant test reports (UL94) support industrial classification
• Aryl ester structure distinguished from alkyl esters chemically