Glass Batch Salt Cake Additive from Canada
Granular salt cake incorporated into glass batch compositions as a fining agent and viscosity modifier. HTS 2833.11.10.00 classification applies to this technical grade disodium sulfate known commercially as salt cake.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Batch formulation disclosure may be needed for CBP review; ensure no organic binders present
• Pitfall: complete glass mixtures classified under 7001-7019