High-Alumina Fire-Clay from Japan
High-alumina fire-clay contains over 40% Al2O3, ideal for severe thermal shock in steel plant refractories. It is classified in HTS 2508.30.00.00 as fire-clay, excluding expanded forms per chapter notes. Supplied in bulk for mixer plants.
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
• Submit chemical assays showing Al2O3 >30% to Customs for fire-clay verification
• Label as 'not expanded' explicitly to comply with exclusions in statistical notes
• Segregate from andalusite/kyanite shipments, as those have separate 2508 subheadings