Calcium Phosphide Granules from Canada
Granular Ca3P2 phosphide for pyrotechnics and signal flares, generating phosphine. Inorganic phosphide under 2853.90.90, chemically defined excluding ferrophosphorous. Highly hazardous material.
Duty Rate — Canada → United States
2.8%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• ATF import license for pyrotechnic precursors; UN3203 shipping
• Moisture-proof nitrogen-purged packaging essential
• Lab assay for Ca/P ratio to confirm phosphide status