Phosphate-Bonded Alumina Brick from Japan
Refractory bricks using phosphate binders with >50% alumina for improved strength in backup linings. Meets Chapter 69 firing requirements using inorganic nonmetallic materials. Alumina brick classification 6902.20.10.10.
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
• Disclose binder type in technical data sheets; phosphates allowed per chapter raw materials
• Average water absorption if mixed cast/jiggered per US note for set patterns (though not applicable here)
• Avoid bulk bags; use crates to prevent powder contamination from binders