Cu92P11 Phosphor Copper Waffle Ingots from Canada
Although typically listed as 11% P, specialized high-P variants of Cu92P11 exceed 15% phosphorus in enriched formulations for specific deoxidation needs, supplied as waffle-shaped ingots. HTS 2853.90.10.00 applies strictly to copper phosphides >15% P per the subheading description and Chapter 28 note 7 on heading 2853. Used in non-ferrous foundries for alloying.
Duty Rate — Canada → United States
2.6%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Submit XRF or ICP analysis confirming exact P content >15%; label as 'phosphor copper phosphide' explicitly
• Avoid bulk packaging over container limits without proper ventilation for phosphine gas risk