Rhenium Plating Bath Sludge from Mexico
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 — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 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