HS 6903-20-00-00 – Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths. › Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2) › Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)

MFN duty rate

Free

GST

5%

Unit of measure

KGM

Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)

Estimate duty & taxes · Get classification help

Preferential tariff rates

• Chile: Free
• CPTPP – United Kingdom (CPUKT): Free
• Costa Rica (CRT): Free
• Iceland: Free
• Honduras (HNT): Free
• Ukraine: Free
• Jordan (JT): Free
• MXT/CUSMA (Mexico): Free
• CPTPP: Free
• GPT: Free
• Peru: Free
• Korea: Free
• UK: Free
• Norway (NT): Free
• CETA: Free
• Colombia: Free
• UST/CUSMA (US): Free
• Switzerland–Liechtenstein (SLT): Free
• Panama (PAT): Free
• Commonwealth Caribbean Countries Tariff (CCCT): Free
• Israel (CIAT): Free
• LDCT: Free

Preference requires qualifying origin and origin proof or certification.

Frequently asked questions

What is the MFN duty on Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2) (HS 6903-20-00-00)?

The T2026-2 MFN rate for tariff item 6903.20.00 is Free. Specific or compound rates require manual calculation. Classification and origin must be verified with CBSA.

What is the duty on HS 6903-20-00-00 from the US?

Qualifying US-origin goods with origin proof use UST/CUSMA at Free. This item is not on any US surtax schedule in force in TariffPlus surtax data (checked against CBSA). GST/HST and any applicable personal-import provincial tax are additional.

Which trade agreement rates apply to HS 6903-20-00-00?

Chile: Free; CPTPP – United Kingdom (CPUKT): Free; Costa Rica (CRT): Free; Iceland: Free; Honduras (HNT): Free; Ukraine: Free; Jordan (JT): Free; MXT/CUSMA (Mexico): Free; CPTPP: Free; GPT: Free; Peru: Free; Korea: Free; UK: Free; Norway (NT): Free; CETA: Free; Colombia: Free; UST/CUSMA (US): Free; Switzerland–Liechtenstein (SLT): Free; Panama (PAT): Free; Commonwealth Caribbean Countries Tariff (CCCT): Free; Israel (CIAT): Free; LDCT: Free. Preferential treatment requires qualifying origin and certification. Rates are informational; CBSA is authoritative.