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

Alumina Crucible from Canada

High-purity alumina ceramic crucible used for melting and holding metals or chemicals at high temperatures in laboratory furnaces. Classified under HTS 6903.90.00.50 as a refractory ceramic good designed for extreme heat resistance, fired after shaping from inorganic nonmetallic materials. Meets chapter requirements for refractory applications beyond basic bricks.

Duty Rate — Canada → United States

10%

Rate breakdown

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

Import Tips

Verify firing temperature exceeds 800°C with manufacturer specs to confirm refractory status; provide material composition certificates showing clay-free high-alumina content; avoid misclassification as lab glassware by emphasizing ceramic construction