Potassium Sulfate Fertilizer (Sulfate of Potash) from Japan
Crystalline potassium sulfate (K2SO4) fertilizer, also called sulfate of potash, supplies potassium and sulfur to crops without chloride. Classified under HTS 3104.90.0100 as 'other' potassic fertilizers not enumerated in prior headings or retail packaged.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include lab analysis showing sulfate and potassium content to distinguish from muriate of potash
• Confirm not mixed with organic substances that could shift classification outside Chapter 31
• Label clearly as agricultural fertilizer to avoid misclassification as industrial chemicals