Diammonium Tungstate Solution Concentrate from China
Concentrated aqueous solution of diammonium tungstate used in wire drawing lubricants. Though in solution, the active ingredient is ammonium tungstate salt, classified under HTS 2841.80.0010.
Duty Rate — China → United States
30.5%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Specify solution concentration (% solids) on invoice to prevent mixture classification
• Classify based on principal salt function, not solvent content
• DOT classification as non-hazardous if <20% concentration