Fireclay Checker Brick for Regenerators from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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