Superalloy Grinding Sludge from Mexico
Wet sludge from grinding nickel-based superalloys (>10% Ni), dried for recovery, industrial use. Fits HTS 2620.99.30.00 as ash/residues for metal extraction.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Dry and assay sludge to confirm residue form and nickel percentage
• Separate from metal filings (Chapter 72) by proving fine particle/ash nature
• Use hazmat shipping if moist; declare as non-hazardous post-drying