1. 68Articles of stone, plaster, cement, asbestos, mica or similar materials
  2. 6815Articles of stone or of other mineral substances (including carbon fibres, articles of carbon fibres and articles of peat), not elsewhere specified or included
  3. Other articles
  4. 6815.91Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite

6815.91.10.00Refractory bricks, blocks, tiles and similar refractory constructional products to be employed in the production of metallurgical coke, iron and steel; Other articles containing magnesite, dolomite or chromite

free

Regulated by
Duty calculator
Results

Choose a country of origin and enter a shipment value to see the duties and taxes.

Duty rates by tariff treatment
Tariff treatmentRate
Most Favoured NationMFNFree
United States Tariff (CUSMA/USMCA)USTFree
General TariffGT35%
Commonwealth Caribbean Countries TariffCCCTFree
Least Developed Country TariffLDCTFree
General Preferential TariffGPTFree
Mexico Tariff (CUSMA/USMCA)MXTFree
Canada-Israel Agreement TariffCIATFree
Chile Tariff (Canada-Chile FTA)CTFree
Costa Rica Tariff (Canada-Costa Rica FTA)CRTFree
Iceland TariffITFree
Norway TariffNTFree
Switzerland-Liechtenstein TariffSLTFree
Peru Tariff (Canada-Peru FTA)PTFree
Colombia Tariff (Canada-Colombia FTA)COLTFree
Jordan Tariff (Canada-Jordan FTA)JTFree
Panama Tariff (Canada-Panama FTA)PATFree
Honduras Tariff (Canada-Honduras FTA)HNTFree
Korea Tariff (Canada-Korea FTA)KRTFree
Canada-European Union Comprehensive Economic and Trade Agreement (CETA) TariffCEUTFree
Ukraine Tariff (Canada-Ukraine FTA)UATFree
Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) TariffCPTPTFree
United Kingdom TariffUKTFree
Comprehensive and Progressive United Kingdom TariffCPUKTFree

Rates as of 2026-09-24. Source: CBSA Customs Tariff.

All codes under 6815.91 →

Classify a whole shipment, not one line at a time.

Adhoc's agent assigns HS codes with the ruling chain cited, checks CFIA and other agency requirements, and drafts the CBSA declaration for your broker to review.

Book a walkthrough

Cookie settings

We use cookies to analyze site traffic. By clicking “Accept”, you consent to our use of analytics cookies. Read our Privacy Policy for more information.