6902.90.50/Insulating Refractory Brick/Japan

Insulating Refractory Brick from Japan

Lightweight insulating refractory bricks, fired from vermiculite-clay mixes, reduce heat loss in furnace walls and backup linings. Low thermal conductivity with high porosity. HTS 6902.90.50 for other refractory 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%

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Import Tips

• Provide density and thermal specs to prove insulating refractory nature

• Ensure not excluded as Chapter 68 articles if vermiculite dominant