Technical Grade Calcium Hydride from Japan
Technical grade calcium hydride (85-95% purity) for industrial drying and hydrogen generation in oil refining. HTS 2850.00.0500 covers this chemically defined calcium hydride despite impurities. Supplied in moisture-proof drums.
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
• Batch certificates must confirm hydride content meets 'chemically defined' threshold
• Argon-purged packaging required to prevent premature decomposition
• Monitor for calcium carbide contamination that triggers 2849 reclassification