</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3824.99.39/Zircon Flour and Sodium Hexametaphosphate Slurry Additive/Canada

Zircon Flour and Sodium Hexametaphosphate Slurry Additive from Canada

Mixture of finely ground zircon (zirconium silicate) flour and sodium hexametaphosphate used as a deflocculant and binder stabilizer in foundry slurries for investment casting. HTS 3824.99.39 applies to this inorganic compound blend prepared specifically for mold-making processes. Improves slurry fluidity and shell strength in precision casting.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Calculate with your customs valueVerify classification with AI

Import Tips

• Provide particle size analysis for zircon component to distinguish from raw minerals; comply with zircon dust OSHA exposure limits in documentation; segregate from organic chemicals during storage to maintain purity

Zircon Flour and Sodium Hexametaphosphate Slurry Additive from Canada — Import Duty Rate | HTS 3824.99.39