Dolomite-Lime Refractory Ramming Mix from Japan
Sintered dolomite with lime binder for ladle impact pads (not pure dolomite ramming). HTS 3816.00.20.50 as other variant for steel ladle bottoms resisting erosion at 1650°C. Provides metallurgical lime addition benefits.
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
• Distinguish from 3816.00.10 via lime addition cert; avoid pure dolomite labeling
• CaO/MgO ratio specs prevent mineral reclassification