BIT 20N 2-Methyl-4-Isothiazolin-3-one Preservative from Canada
20% 2-methyl-4-isothiazolin-3-one aqueous solution for metalworking fluid preservation. HTS 3808.99.3000 classification for specifically listed isothiazolinone biocides.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Metalworking fluid compatibility testing; Biocide depletion rate documentation; Nitrite-free formulation certification