Granular Potassium Tetrapolyphosphate from Japan
Granular potassium tetrapolyphosphate provides slow-release phosphate in industrial water treatment systems. Classified HTS 2835.39.10.00 for other polyphosphates of potassium. Granular form enhances handling in large-scale operations.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify particle size distribution to distinguish from powdered forms
• Include solubility data confirming polyphosphate structure
• Verify no organic stabilizers present to maintain Chapter 28 classification