Sodium Silicate for Refractory Cements from Canada
Liquid sodium silicate binder for no-cement castables and refractory mortars in high-temperature applications. Classified HTS 2839.19.00.00 as commercial sodium silicate, other. Provides chemical bonding in heat-resistant compositions.
Duty Rate — Canada → United States
11.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include technical data sheets showing binder function; verify thermal stability specs; avoid misclassification as prepared cement under 3816