Sodium Fluorosilicate from Germany
Sodium fluorosilicate (Na2SiF6) is a complex fluorine salt used primarily as a fluoridating agent in water treatment and in the production of enamels. It falls under HTS 2826.90.90 as a fluorosilicate, which is explicitly listed in the heading for complex fluorine salts other than simple fluorides. This white crystalline powder is chemically defined and meets Chapter 28 criteria for inorganic compounds.
Duty Rate — Germany → United States
3.1%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Obtain EPA registration if used for water treatment; ensure proper hazardous material labeling under DOT regulations; verify purity certificates to avoid misclassification as a mixture