Liquid Potassium Silicate KAS-10 from Mexico
KAS-10 is a high-ratio potassium silicate liquid (SiO2:K2O = 3.3:1) for specialty coatings and soil stabilizers. It qualifies under HTS 2839.90.1000 as a chemically defined commercial silicate of potassium. Commonly imported for agricultural and construction uses.
Duty Rate — Mexico → United States
13.1%
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
• Declare exact weight ratio and concentration; customs may test for potassium content
• Comply with DOT corrosive liquid regulations for transport
• Avoid pitfall of undervaluation; base value on active silicate content excluding water