Flash Smelt Copper Matte from Japan
Copper-iron sulfide matte from Outokumpu flash smelting process, high-grade 68-72% Cu. Falls under HTS 7401.00.00.00 as standard copper smelting intermediate.
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 flash furnace concentrate particle size distribution data
• Matte settling characteristics differ from bath smelting; document accordingly
• Rapid cooling preserves higher matte grades; verify quench process