PFOS Lithium Salt Aqueous Solution 70% from Canada
70% aqueous solution of lithium perfluorooctane sulfonate for firefighting foam production. Classified under HTS 2904.33.00.00 per Chapter note (d) for products of 2904 dissolved in water. Remains chemically defined compound, not a preparation.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify exact concentration on invoice to qualify under note (d) water solution provision
• Include flash point and pH data for proper hazmat classification
• Pre-qualify with US Fire Administration for AFFF concentrate applications