Lithium Tungstate Solution Precursor from Mexico
Lithium tungstate (Li2WO4) in powdered form serves as a precursor for solid-state electrolytes in batteries, under HTS 2841.80.00 for tungstates. It offers high ionic conductivity.
Duty Rate — Mexico → United States
5.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Battery chemical imports need EPA TSCA notifications 90 days prior
• Specify electrochemical grade purity (>99.9%) in commercial invoice
• Segregate from moisture; use vacuum-sealed packaging