Triazine Mercaptobenzothiazole Hybrid Accelerator from Canada
Hybrid molecule combining triazine and thiazole rings for synergistic rubber acceleration in truck tires. Despite dual heterocycles, classified in HTS 2933.69.60.30 as triazine-dominant for rubber processing.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.5%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
• Chemical structure diagram essential for CBP review
• Separate from thiazole shipments to avoid 2934 classification
• Monitor Section 301 tariffs on Chinese origin