High-Density Crude Fused Alumina Ingots from Mexico
High-density crude fused alumina ingots are large cast blocks from controlled fusion of alumina, offering superior hardness for abrasive applications. Falls under HTS 2818.10.10.00 as crude artificial corundum, meeting chemical purity standards. Processed into media for shot peening and polishing.
Duty Rate — Mexico → 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
• Certify density and grain size uniformity to prevent disputes over crude vs refined status
• Declare end-use as raw material, not finished abrasive, for correct Chapter 28 placement
• Monitor for organo-inorganic impurities excluded by Chapter note 2