High-Alumina Burner Block from Japan
Precision-shaped burner port blocks with >60% Al2O3, fired for gas/oil burner installations in reheating furnaces. Refractory constructional goods resisting flame impingement. HTS 6902.20.50.10 for alumina burner refractories.
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
• Detail port geometries in invoices to justify complex refractory classification
• Exclude from Chapter 94 if not furniture/lighting fittings per notes
• Sample testing for water absorption if mixed cast/jiggered production