3816.00.20.50/Dolomite-Lime Refractory Ramming Mix/Canada

Dolomite-Lime Refractory Ramming Mix from Canada

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 — Canada → United States

13%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Distinguish from 3816.00.10 via lime addition cert; avoid pure dolomite labeling

• CaO/MgO ratio specs prevent mineral reclassification