3816.00.20.10/Bauxite Clay Refractory Ramming Mass/Mexico

Bauxite Clay Refractory Ramming Mass from Mexico

Ramming mass blending bauxite clay for electric arc furnace bottoms, offering abrasion resistance. Classified HTS 3816.00.20.10 for clay-dominant refractory mixes including dolomite ramming variants.

Duty Rate — Mexico → United States

13%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Certify bauxite clay grain size (e.g

• 0-5mm) and Al2O3 content >60% for classification

• Declare as 'ramming mass' not aggregate to prevent 2518 misclassification

• Test for silica content; high silica may shift to 3816.00.40 if not clay-primary