Industrial Grade Ammonium Sulfate Crystals from China
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 — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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