Potassium Fluoride Metal Cleaning Salt from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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