Tungsten Disulfide Powder from United States
Tungsten disulfide (WS2) powder, a chemically defined inorganic compound, used as a dry lubricant in high-temperature and vacuum applications. It is classified under tariff item 2830.90.00 as an 'other' sulfide, not being a polysulfide of heading 28.31.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is not mixed with binders or additives, which could reclassify it as a lubricant preparation
• Provide technical data sheets to confirm the chemical purity
• Check if the product qualifies for duty relief under any free trade agreements based on origin