Ammonium Metatungstate Granules from United States
Ammonium metatungstate granules are a water-soluble ammonium salt of tungstic acid, conforming to the chemical definition of a tungstate. The spray-dried form ensures uniform particle size for consistent tungsten powder production and thermal spraying applications.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the granules are clearly labeled with the chemical formula (NH4)6H2W12O40 and purity level on the commercial invoice
• Verify that the product is not mixed with organic binders that could alter classification
• Keep safety data sheets available for CBSA inspection