Fireclay Checker Brick for Regenerators from Japan
Perforated fireclay bricks arranged in checkerwork patterns for heat recovery regenerators in glass and steelmaking furnaces. Optimized channels for gas flow at 1300-1400°C service. Specifically clay refractory bricks under HTS 6902.90.10.10.
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
• Include void percentage specs (30-50% typical) to confirm checker design for regenerator use
• Palletize in vertical stack configuration to prevent deformation during ocean transit
• Avoid generic 'perforated brick' description; specify regenerator end-use for proper heading