Fireclay Refractory Brick from China
Fireclay refractory bricks from high-alumina fireclay provide economical lining for boiler walls and ladles, with good abrasion resistance. Properly fired after room-temperature shaping per Chapter 69 requirements. Classed in HTS 6902.90.10.20 as other refractory bricks.
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 water absorption tests per ASTM C373; >3% may shift to earthenware if not proven refractory
• Include end-user letters from steel mills or foundries to affirm industrial refractory application
• Watch for origin marking; 'Made in China' fireclay bricks often face special duties—check USTR lists