Silver Cyanide Powder from Canada
Silver cyanide (AgCN) powder is essential for silver mirror plating and photographic emulsions. It qualifies under HTS 2837.19.01.25 as a simple cyanide of precious metal base, chemically defined inorganic compound.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Precious metal content declaration needed; light-sensitive—dark packaging; assay certificate for purity verification