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Molded Graphite Block for Vacuum Furnace from Mexico

Large molded blocks of artificial graphite used to fabricate components for vacuum heat treatment furnaces. HTS 3801.10.50 applies to these semi-manufactures valued for oxidation resistance in vacuum environments.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

Import Tips

Provide density and thermal expansion data matching vacuum furnace requirements

Segregate from coated versions which may classify under 3810

Use HTS advisory rulings for large block imports exceeding standard sizes