Potassium Fluoride Metal Cleaning Salt from Germany
Fused salt mixture of potassium fluoride and sodium fluoride for electrolytic metal cleaning. Wholly inorganic preparation etches surfaces before plating, classified 3810.90.2000 as auxiliary for metal treatment. Used in aerospace finishing.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Fluoride import permit from EPA; high scrutiny for toxicity
• Include bath formulation ratios in entry docs
• Avoid 'degreaser' description leading to 3402 misclassification