Magnesia-Chrome Refractory Brick from Japan
Magnesia-chrome refractory bricks combine magnesia and chrome ore, fired to create dense blocks for lining steelmaking furnaces and rotary kilns. They offer superior resistance to basic slags and high temperatures. Falls under HTS 6902.90.50 as 'other' refractory ceramic constructional goods, excluding siliceous earths.
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%
Import Tips
• Submit lab analysis confirming non-siliceous composition and post-firing status to distinguish from 6902.10
• Declare intended industrial end-use (e.g
• furnace lining) to prevent misclassification as building materials