IPPD Antioxidant Blend for Rubber from Mexico
Mixture containing N-isopropyl-N'-phenyl-p-phenylenediamine (IPPD) and related diaryl-p-phenylenediamines, formulated for use in synthetic rubber compounds like NR and SBR. Provides long-term protection against thermal oxidation and flex cracking. Falls under HTS 3812.39.2000 as a specified mixture for rubber stabilization.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide detailed formulation data showing diaryl-p-phenylenediamine predominance to avoid reclassification
• Comply with REACH-like labeling for industrial chemicals
• Watch for auto-classification errors to plasticizer headings