Dipotassium Carbonate for Glass Flux from China
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 — China → United States
39.4%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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