Tungsten Smelting Slag from United States
Tungsten smelting slag is the residue left after smelting tungsten ores, consisting mainly of tungsten compounds and minor metal impurities. It is used in industry for the extraction of tungsten and falls under tariff item 2620.99.00 as other slag and ash containing metals.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the slag is not from iron or steel manufacture, as that would fall under a different heading
• Provide a certificate of analysis showing tungsten content to support classification
• Be aware that the unit of measure for duty calculation is based on metal content