Bauxite Clay Refractory Ramming Mass from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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