Calcined Soda Ash for Glass Production from Mexico
Calcined soda ash is thermally processed disodium carbonate optimized for flat glass and container glass fluxing. It is imported under HTS 2836.20.00.00 as chemically defined Na2CO3, excluding organic-stabilized variants.
Duty Rate — Mexico → United States
11.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify calcination temp (e.g
• >400°C) in docs for purity verification; use anti-caking agents sparingly to stay chemically defined
• Coordinate with CBP for bulk vessel manifests