PQ Sodium Silicate Solution (Metasilicate Grade) from Mexico
PQ Sodium Silicate Solution (Metasilicate Grade) is a liquid sodium metasilicate (Na2O·xSiO2) used as a corrosion inhibitor in cooling systems and as a binder in adhesives. It qualifies under tariff item 2839.11.00 as a sodium metasilicate, a separate chemically defined compound of Chapter 28. The product is imported in bulk liquid form, consistent with the chapter's scope for inorganic chemicals.
Duty Rate — Mexico → Canada
Import Tips
• Ensure the product's chemical composition (Na2O·xSiO2) is clearly documented on the commercial invoice to support classification under 2839.11.00
• If the solution contains additives beyond stabilizers or anti-dusting agents, it may be excluded from Chapter 28
• Verify whether a Canadian import permit is required if the solution is used in food-contact applications, though this is not typically needed for industrial uses