Superalloy Grinding Sludge from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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