Antlerite Copper Sulfate Ore from Japan
Antlerite is a rare copper sulfate hydroxide mineral forming concentrates with ~38% copper, ideal for solvent extraction. HTS 2603.00.00.10 records the copper content per statistical requirements. Found in arid supergene enrichment zones.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Test for acid generation potential in sulfate minerals before shipping
• Use corrosion-resistant packaging for sulfate-rich concentrates
• Provide mineralogical analysis confirming copper matrix dominance