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6902.90.50.20/Kaolin Clay Refractory Brick/Japan

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

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Test and document water absorption per ASTM C373 to confirm refractory body

• Specify kaolin as essential clay ingredient avoiding stoneware confusion