Sintered Dolomite Slabs for Glass Furnace Crowns from China
Large rectangular slabs sintered from dolomite for crown construction in soda-lime glass melting furnaces. HTS 2518.20.00.00 applies to these roughly cut, thermally processed slabs before final refractory shaping.
Duty Rate — China → United States
38%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Include slab thickness measurements (<0.508mm excludes mica definitions but confirms dolomite)
• Certify no precious stone content per Chapter exclusions for tariff validity
• Ship on pallets as industrial slabs, not finished articles, to stay in Chapter 25