4,6-Diamino-1,3,5-triazin-2-ol Rubber Antioxidant from Canada
This triazine compound provides long-term heat aging protection in conveyor belt rubber formulations. It is classified under HTS 2933.69.60.30 for its unfused triazine ring structure and principal use in rubber processing as a chemically defined organic compound per Chapter 29.
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
• Include OEM specifications from rubber manufacturers proving processing use
• Test for heavy metal impurities; triazines often contaminated during synthesis
• Avoid water-dissolved forms unless meeting Chapter 29 note (d) criteria