6PPD Rubber Antioxidant Mixture from Canada
A mixture of N,N'-diaryl-p-phenylenediamine compounds, primarily 6PPD (N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine), used as an antiozonant and antioxidant in tire manufacturing. It protects rubber from oxidative and ozone degradation during service. Classified under HTS 3812.39.2000 due to its composition as a mixture of specified diaryl-p-phenylenediamines for rubber stabilization.
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
• Verify chemical composition certificates to confirm N,N'-diaryl-p-phenylenediamine content for proper classification
• Ensure EPA compliance for chemical handling and TSCA registration
• Avoid misclassification as generic rubber chemicals under 3812.39.1000