</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

RD Antioxidant Diaryl Blend from Canada

RD (phenyl-α-naphthylamine + diaryl-p-phenylenediamine) mixture for natural rubber belting and transmission belts. Combines immediate and long-term protection. HTS 3812.39.2000 for the diaryl-p-phenylenediamine component dominance.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Ratio analysis must show diaryl-p-phenylenediamines as principal constituents

Proper Incoterms for chemical tanker shipments

Avoid plastic-specific labeling