Ground Witherite Powder from Germany
Ground natural barium carbonate (witherite) ore, calcined or not, finely powdered for use in glass manufacturing and pyrotechnics. The product is processed only by grinding and possibly calcination, which is permitted under Chapter 25 Note 1, and is not converted to barium oxide.
Duty Rate — Germany → Canada
0%
Import Tips
• Confirm the calcination process does not convert the witherite to barium oxide
• Provide a certificate of analysis showing barium carbonate content
• Keep records of the grinding and calcination processes