PBTC 50% Aqueous Solution from Canada
50% PBTC in water represents standard commercial concentration for water treatment injection systems. Remains classified under HTS 2931.90.70.00 per Chapter 29 note 1(d) allowing aqueous solutions of named compounds.
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
• Concentration <50% water may shift to Chapter 38 formulated products; verify exact assay
• DOT 8 corrosive label required; IBC tote specifications must match UN recommendations
• Biocontamination testing often required for water treatment chemical imports