Rhenium Plating Bath Sludge from Canada
Precipitated sludge from electroplating baths using rhenium salts for corrosion-resistant coatings on valves. HTS 8112.41.10.00 covers this as rhenium waste and scrap where metallic rhenium precipitates dominate. Recovered via roasting and reduction processes.
Duty Rate — Canada → 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
• Classify with wet chemistry analysis showing >50% rhenium metal equivalent; acid content requires hazmat labeling
• Pre-dry sludge to <20% moisture to meet IMDG packing requirements for ocean freight
• Avoid Chapter 28 salts classification by documenting metallic recovery process