6902.90.10.10/Insulating Fireclay Refractory Brick/Japan

Insulating Fireclay Refractory Brick from Japan

Lightweight insulating brick made from fireclay with high porosity for thermal insulation in high-temperature furnaces. Maintains structural integrity up to 1400°C while minimizing heat loss. HTS 6902.90.10.10 covers this clay-based refractory constructional good.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Test for <3.2 cm thickness if tile-like to avoid 'tiles' exclusion in refractory headings per US notes

• Provide thermal conductivity data (<0.5 W/mK typical) to differentiate from dense structural bricks