Strontium Carbonate Concrete Shrinkage Compensator from Japan
Inorganic strontium carbonate powder added to cement to compensate drying shrinkage through expansive crystal formation. Prepared for concrete use per HTS 3824.40.20.00, wholly inorganic. Reduces cracking in restrained concrete elements.
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
• Expansion test data per ASTM C845; strontium purity certificate; dosage precision labeling