Porphyry Powder from China
Porphyry powder is ground from porphyry rock of heading 25.16 and is used in pigments. The powder is obtained by mechanical grinding and is not heat-treated or mixed, as allowed by Chapter 25 Note 1. It is classified as powder of stones of heading 25.16 under this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the porphyry powder is not mixed with dyes or other chemicals
• Declare the particle size and use to CBSA to support classification
• Keep documentation of the grinding process to show compliance with Note 1