APT-Feed Tungsten Concentrate from China
Purified concentrate specifically prepared as feedstock for ammonium paratungstate (APT) production, with low silica/phosphorus impurities. HTS 2611.00.60.00 applies to all tungsten concentrates including those for chemical processing.
Duty Rate — China → United States
25%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Specify impurity levels in documentation to prevent reclassification as chemicals
• Verify country-of-origin rules as China dominates tungsten supply
• Consider anti-dumping duties applicable to certain tungsten concentrate origins