SuperZinc Zinc Alloy Master Alloy from China
SuperZinc master alloy slabs contain high zinc with modifiers for grain refinement in aluminum foundries, unwrought under HTS 7901.20.00.00. Zinc predominates over other elements.
Duty Rate — China → United States
28%
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%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Master alloys need end-use statements if questioned for pure zinc rate
• Avoid declaring as ferrozinc; those are Chapter 72
• Temperature-controlled shipping preserves integrity