Osmium Sponge (Unwrought) from China
Porous osmium sponge produced by chemical reduction, considered unwrought as it requires further consolidation. Falls under HTS 7110.41.0050 for unwrought osmium or ruthenium in non-powder form, per HTS definitions excluding semimanufactured shapes.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include lab analysis showing osmium >2% and no predominant other PGMs for classification
• Avoid common error of declaring as powder; sponge is unwrought if not sieved to 0.5mm spec
• Use specialized packaging to prevent oxidation; declare HS correctly to evade anti-dumping scrutiny