Calcium Silicide Powder from Japan
Calcium silicide (CaSi2) powder acts as a deoxidizer in steel production and ferrosilicon manufacturing. It is classified in HTS 2850.00.0500 as a chemically defined silicide of calcium, excluding carbides. The compound improves steel fluidity and reduces oxygen content.
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
• Provide metallurgical assay reports confirming silicide composition over 50% to avoid silicon metal classification
• Label as hazardous if particle size creates dust explosion risk during handling
• Check for REACH-like restrictions in destination country due to silicon compound regulations