Potassium Silicofluoride Crystals from Mexico
Potassium silicofluoride (K2SiF6) appears as colorless crystals or powder, employed in ceramic production as an anti-foaming agent and flux. Classified under HTS 2826.90.1000 for its status as a fluorosilicate of potassium, a complex fluorine salt per Chapter 28 definitions. It is chemically defined without organic stabilizers.
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
• Provide Safety Data Sheets (SDS) confirming non-radioactive status; check for REACH-like compliance if from EU; avoid bulk packaging that risks dust contamination