Chemical-Grade Flux Limestone from Japan
Ultra-pure limestone flux for chemical processes requiring consistent calcium source, such as precipitated calcium carbonate production. HTS 2521.00.00.00 applies to its role in lime-based chemical manufacturing. Low silica ensures purity in end products.
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
• Chemical analysis certificates critical for ultra-low impurity claims
• Specify chemical end-use in commercial invoices
• Powdered forms risk 2517 if not documented as flux