Chromite-Based Ramming Refractory from Mexico
Refractory ramming mix using chromite ore and magnesia for electric arc furnace roofs. HTS 3816.00.20.50 covers this as other refractory compositions, resisting chrome-magnesite slag at 1700°C. Used in AOD vessels for stainless steel production.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Chromium VI limits require REACH-like testing; provide low-hexavalent chrome certs
• Declare chromite aggregate ratio precisely to avoid mineral import duties