Industrial Grade Ammonium Sulfate Crystals from Mexico
Pure crystalline ammonium sulfate used in industrial agriculture for alkaline soil correction and as a nitrogen source in large-scale farming. Classified under HTS 3102.29.00.00 as 'other' ammonium sulfate not in retail form. Commonly applied via broadcast spreaders for crops like potatoes and soybeans.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Check for impurities that might reclassify under different subheadings; bulk shipments require proper MSDS documentation; avoid retail-style labeling to maintain 3102 classification