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8546.90.00.00/Mullite Porcelain Support Insulator/Mexico

Mullite Porcelain Support Insulator from Mexico

Mullite porcelain support insulators for industrial electric furnaces and kilns. HTS 8546.90.00.00 for high-temperature ceramic electrical insulators.

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

• Specify mullite content and pyrometric cone equivalent; test for thermal shock resistance; declare load-bearing capacity