Copper Dibutyldithiocarbamate from Canada
Used as an anti-oxidant and secondary accelerator in colored rubber compounds where metal staining must be avoided. This dithiocarbamate qualifies for 2930.20.90.20 as principally a rubber processing chemical under Chapter 29 organo-sulfur provisions. Provides thermal aging resistance.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%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
• Document compatibility with white rubber compounds to establish principal rubber use
• Include heavy metal content analysis per import regulations