Technical Grade Copper Sulfate from Japan
Technical grade copper sulfate is an industrial 98% minimum purity CuSO4·5H2O used in fungicides and nutrient applications. It is a chemically defined compound, and purity levels do not affect classification under this tariff item, as long as it meets Chapter 28 Note 1 criteria.
Duty Rate — Japan → Canada
0%
Import Tips
• Declare the exact purity and any impurities to CBSA, as excessive impurities may affect classification
• If the product is for agricultural use, verify whether it is registered as a pesticide under Canadian law
• Keep shipping documents showing the product is not mixed with other active ingredients