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6902.20.50/Silica-Alumina Anchor Brick/Mexico

Silica-Alumina Anchor Brick from Mexico

Specialty anchor bricks with >50% SiO2 and Al2O3 mixture, fired for securing fiber modules in industrial furnaces. Designed for high-temperature suspension systems. Classified in 6902.20.50 as other refractory constructional bricks.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide engineering drawings showing anchor design for refractory intent

• Test for <3% water absorption per ASTM C373 to confirm fired status

• Separate from fiber modules to avoid set classification issues

Silica-Alumina Anchor Brick from Mexico — Import Duty Rate | HTS 6902.20.50