</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Directional Solidification Furnace from Mexico

Furnaces using Bridgman or heat exchanger methods for controlled semiconductor ingot solidification from melt. Classified under HTS 8454.30.00.90 as other metallurgical casting machines for crystal growth per statistical notes.

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

Thermal gradient profiles must document casting methodology

Quartz crucible compatibility certs prove semiconductor use

Avoid glass furnace confusion (8417.90) by emphasizing metal casting