Selenium Lumps 99.5% for Metallurgy from Mexico
Industrial selenium lumps (99.5% purity) used as alloying additive in steel and copper metallurgy. Classified in 2804.90.00.00 as elemental selenium in lump form, a nonmetal used in elemental state.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit steel mill end-user letters for metallurgical use verification; ensure <0.1% impurities via assay report; bulk containers must have spill containment