High-Purity Lanthanum-Rich Mischmetal Oxide from China
Refined oxide mixture from mischmetal processing with lanthanum oxide at 55%, didymium oxides (Nd/Pr) 35%, and traces of samarium/gadolinium, excluding cerium. HTS 2846.90.20.05 applies to such lanthanum-predominant rare-earth oxide mixtures used in hydrogen storage alloys and phosphors.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Declare exact REO composition per statistical note; variances >5% trigger audits
• Ensure origin certification as China dominates supply—subject to Section 301 tariffs