Kaolin Clay Refractory Brick from Japan
Kaolin clay refractory bricks are fired from high-purity kaolin for pottery kilns and glass tanks, providing creep resistance. They form essential constructional linings. HTS 6902.90.50.20 includes these as other refractory bricks.
Duty Rate — Japan → United States
10%
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
Import Tips
• Test and document water absorption per ASTM C373 to confirm refractory body
• Specify kaolin as essential clay ingredient avoiding stoneware confusion