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6904.90.00.00/Fireplace Ceramic Backer Bricks/Japan

Fireplace Ceramic Backer Bricks from Japan

High-density ceramic bricks used behind firebrick linings in fireplaces for structural support and heat distribution. Fired clay products qualify under HTS 6904.90 as other ceramic building bricks, provided not refractory.

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

• Certify maximum service temperature <1000°C to avoid refractory classification

• Bundle with installation guides showing building use