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6902.90.10/Phosphate-Bonded High Alumina Bricks/Japan

Phosphate-Bonded High Alumina Bricks from Japan

Phosphate-bonded high alumina refractory bricks use phosphoric acid binders fired to develop mullite-phosphate bonds for abrasion resistance in cyclone burners. Enhanced strength at elevated temperatures. HTS 6902.90.10 classification.

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

• P2O5 content declaration for chemical analysis

• Bond development temperature curve documentation

• Avoid water contact pre-installation advisory labels

Phosphate-Bonded High Alumina Bricks from Japan — Import Duty Rate | HTS 6902.90.10