Spent Tungsten Catalyst Residue from Canada
Residue from deactivated petroleum catalysts containing primarily tungsten oxides. HTS 2620.99.20.00 applies to such ash used for tungsten recovery industrially. Excludes incinerated waste.
Duty Rate — Canada → United States
13.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Catalyst deactivation certificates verify industrial slag status
• Report full metal assay to avoid undervaluation penalties
• Ensure separation from spent catalysts under 3815