Dental Lab Gold Alloy Incineration Ash from Japan
Ash produced by incinerating dental prosthesis trimmings and grindings that contain gold alloys with at least 2% gold by weight. This ash is used principally for gold recovery in precious metal refineries, making it classifiable under tariff item 7112.30.00 as ash containing precious metal compounds.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the ash contains at least 2% gold by weight to qualify as precious metal ash under Note 5(b)
• Provide a certificate of analysis or assay report to CBSA to confirm the gold content
• Declare the ash as waste for recovery to avoid potential restrictions on hazardous materials