Synthetic Mullite Powder from United States
> Synthetic mullite powder is a high-alumina ceramic material produced by sintering or fusing alumina and silica. It is used primarily in refractory applications. The product is mullite by definition and falls under tariff item 2508.60.00, as it is not excluded by Chapter 25 notes.
Duty Rate — United States → Canada
0%
Import Tips
• > Provide a certificate of analysis confirming the mullite phase and alumina-silica ratio
• Be ready to explain the production method (sintering or fusion) to CBSA