Dipotassium Carbonate for Glass Flux from Mexico
Specialty dipotassium carbonate used as a flux in flat glass production to lower melting points. Classified precisely under HTS 2836.40.10.00 as it is a stabilized inorganic carbonate of potassium, excluded from organic mixtures. Supplied in 50kg bags for furnace feeding.
Duty Rate — Mexico → United States
11.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Declare industrial end-use to qualify for potential duty relief programs
• Provide batch assays confirming no stabilizers per heading 2831 exclusion
• Use UN-approved packaging for caustic alkali earth transport