Alumina Refractory Anchor Brick from Japan
Specialized hooked bricks of high-alumina content for anchoring fiber modules in furnace linings, fired to endure thermal cycling. Constructional refractory for insulation systems in boilers. HTS 6902.20.50.10 for pure alumina variants.
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
• Include dimensional drawings showing refractory shapes to distinguish from standard bricks
• Verify no metallic components, as those may trigger Chapter 82 classification
• Bulk shipments require average composition sampling per US import practices