Water-Soluble Potassium Sulfate Powder from China
Fine powder potassium sulfate designed for fertigation and foliar applications, supplying essential K2O and sulfur without chloride. Classified under HTS 3104.30.00.00 as it matches the potassium sulfate description in Chapter 31 for agricultural fertilizers. Ideal for hydroponics and drip irrigation systems.
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
• Provide solubility test results and agricultural end-use declaration to distinguish from industrial salts
• Confirm not mixed with organic substances that could shift classification
• Bulk powder shipments require proper dust control certification for customs clearance