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

Crystal Boule Grinder from Canada

Precision grinder that shapes semiconductor crystal boules to exact wafer diameters and grinds orientation flats indicating conductivity and resistivity. It uses controlled cooling/lubrication systems qualifying under HTS 8419.89.95.85 for wafer preparation equipment involving temperature management on other semiconductor materials.

Duty Rate — Canada → United States

14.2%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Submit boule diameter specs and flat grinding documentation to prove semiconductor wafer prep function

Avoid generic 'grinding machine' descriptions; specify semiconductor material processing to stay in 8419