Glass Batch Salt Cake Additive from China
Granular salt cake, a technical grade of disodium sulfate, is incorporated into glass batch compositions as a fining agent and viscosity modifier. It falls under this tariff item as it is the commercial form of disodium sulfate known as salt cake.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is classified as disodium sulfate (salt cake) and not a prepared additive
• Have the chemical analysis and commercial specification sheets ready for CBSA verification
• Verify the MFN duty rate applies to your country of origin