Technical Grade Potassium Fluorosilicate from Mexico
Technical-grade K2SiF6 powder serves in aluminum smelting as a flux and degassing agent. HTS 2826.90.1000 covers it as a potassium fluorosilicate, a defined complex fluorine salt excluding organo-inorganic compounds per chapter notes.
Duty Rate — Mexico → United States
14.1%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label with UN 2674 hazard class for transport; confirm industrial end-use to avoid retail pesticide scrutiny; test for heavy metal impurities