Diammonium Tungstate Solution Concentrate from Japan

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 — Japan → United States

5.5%

Rate breakdown

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