Ammonium Fluorosilicate from Japan
Ammonium fluorosilicate ((NH4)2SiF6) serves as a rodenticide, water fluoridation agent, and in ceramic production. It is a complex fluorine salt classified in HTS 2826.19.1000 under 'other' fluorides of ammonium. Meets subheading note for chemically defined compounds.
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
• Provide EPA registration if for pesticide use; fluorosilicates often require FIFRA compliance documentation
• Ensure crystalline form documentation; amorphous powders risk heading 3824 as preparations
• Check for complex salt status under note to 2842; simple salts stay in 2826