Gypsum-Amended Ammonium Nitrate from Canada
Ammonium nitrate mixed with gypsum per note 2(c) for dust control and calcium addition. HTS 3102.90.01.00 for these unspecified amendment mixtures. Used on alkaline soils.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Gypsum purity certificate confirming nonfertilizing status
• Particle size analysis for blend uniformity
• Dust control efficacy documentation