Glassmaking Litharge (Synthetic PbO) from United States
Glassmaking litharge is synthetic lead monoxide (PbO) produced by controlled oxidation, used in crystal glass production to impart brilliance and a high refractive index. As a pure, chemically defined lead monoxide, it is classified under tariff item 2824.10.00.
Duty Rate — United States → Canada
0%
Import Tips
• Document the production method (controlled oxidation) and purity to confirm classification as lead monoxide
• If the litharge is mixed with other glassmaking additives, it may fall under a different heading, so keep the product pure
• Be aware of Canadian workplace safety rules for handling lead compounds during import and use