Glass Manufacturing Sodium Sulfate from Japan
Calcined synthetic Na2SO4 flux for flat glass production, reducing melting point. HTS 2833.11.50 for other disodium sulfates meeting Chapter 28 purity standards.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify end-use in glass flux to support duty drawback claims
• Bulk shipments require anti-caking agents declaration
• Confirm sulfate content >99% for correct heading