Anhydrous Sodium Silicate Powder from Canada
Dehydrated powder of sodium silicate used in specialty ceramics and investment casting. Classified in HTS 2839.90.5000 as an 'other' form of commercial sodium silicate, lacking water of hydration.
Duty Rate — Canada → United States
13.1%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm anhydrous status with moisture analysis to prevent hydrate misclassification
• Dust hazard precautions required; use proper SDS for customs clearance
• Industrial buyers often need end-use certificates for verification