Fumed Silica (Aerosil) from United States
Fumed silica produced by flame hydrolysis, a form of synthetic silicon dioxide. It is a separate chemically defined compound, meeting Chapter 28 criteria.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the fumed silica is not surface-treated with silanes, which could change classification
• Provide production details to the CBSA