High-Duty Clay Refractory Tiles from China
Clay-based refractory tiles used for flooring and lining in steel mill reheat furnaces, shaped and fired to endure extreme thermal shock. Falls under HTS 6902.90.50.10 as clay-composed refractory constructional tiles, distinct from siliceous earth products. Ideal for harsh industrial environments requiring durability.
Duty Rate — China → United States
35%
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
• Conduct ASTM C373 water absorption tests if absorption exceeds 3% to confirm not earthenware under Chapter 69 notes
• Label shipments clearly as 'refractory clay tiles' with technical specs to prevent confusion with decorative ceramic tiles
• Obtain supplier affidavits certifying post-shaping firing process to meet Chapter 69 definition