High-Duty Clay Refractory Tiles from Japan
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 — 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
• 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