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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