Hemimorphite Zinc Silicate Concentrate from Japan
Flotation concentrate of hemimorphite (Zn4Si2O7(OH)2·H2O), a zinc silicate ore averaging 42% zinc. Classified in HTS 2608.00.0030 under zinc ores and concentrates, with zinc content statistically noted. Used in specialized leaching processes for zinc.
Duty Rate — Japan → United States
0%
Rate breakdown
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
• Conduct particle size analysis if coarse (>4.75mm per related notes); ensure silica content doesn't trigger silica dust regs
• File with detailed chemical composition report
• Watch for misdeclaration as silica products