Silica-Alumina Backup Refractory Brick from Japan
Backup layer refractory brick with balanced >50% SiO2-Al2O3 for furnace hot repair and lining support. Classified in HTS 6902.20.10.20 as 'other' non-fossil meal bricks, fired ceramic constructional goods for industrial refractories. Provides insulation behind wear-resistant hot face 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%
Import Tips
• For mixed cast/jiggered shipments, note US note ratios but primarily for tableware; use for value averaging if applicable
• Ensure packing lists specify 'refractory bricks' to prevent confusion with Chapter 94 building materials